David's Astronomy Pages Notes - Session 888 (2021-04-20)

Notes (S888A)

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Notes (S889)

	2021-04-20 (Session 888)
	Session Aims & Highlights
	- Observing Result  - Night Summary Plot  - Session Event Log
	Operational Issues
	- Critical Issues (0),  Major Issues (4),  Minor Issues (15),  Continuous Improvement (2)
	Images from 2021-04-20 >>      [ Local Files >> ]
	Meade Generic Telescope Driver
	Investigation - Jog Execution held up by "Unable to start the DirectSlew" dialog from TheSky6/ASCOM
	Investigation - Straight Line ScopePaths when using Meade Generic Ascom Telescope Driver

Session Aims & Highlights (2021-04-20)

Main aims

1. MeadeGeneric. Test out Meade Generic Driver for first time in a live session
2. Targets. Acquire images of a selection of variable stars, nearby stars, comets & deep sky targets as allowed by conditions

Equipment & Software

• 12" LX200 and ST-10XME
• 80mm APO and ZWO ASI 178MC
• CCDApp2, TheSky6, CCDSoft5, PHD2,  DeviceHub 4.5.1,  MeadeGeneric 1.0.0.296 , UPB 1.5, ASCOM 6.5 SP1
• Pegasus UPB & Motor Focus, TCF-S
• SharpCap 3.2, PHD2  2.6.9Dev4
   
• AstroMain 3.39,  AstroPlan 1.21.6,  AstroShCap 1.3.11, AstroGuard 1.6,   AstroVOE 1.7, AstroSN 1.5,  AstroProtect 1.6
  (AstroWeather 1.12.4, AstroAllSky 3.10.3, AstroObsCam 1.5.5 )

Highlights

•   MeadeGeneric.  Meade Generic Driver was used in live session for first time.
  (This following show-stopping issue with MeadeLX200GPS/R driver in session attempt on 2021-04-17 where it found impossible to get a connection to the scope using this driver although it has worked ok for the past 5 years. This is an issue that hasn't yet been resolved)

Lowlights

•   Centering.  JobQueue held up by "Unable to start the direct slew!!!" messages in TheSky6/ASCOM..

Notes:

Summary Plots & Logs

Observing Plan

Observing Result

Dome & Scope Slewing Performance

Slew/Centering Performance

Guiding Performance

Sky Conditions (Locate Frames)

Night Sky Summary Plot Top axis: Sky Brightness at Zenith (in ADU/s) Lefthand axis: Local Time (hh LT). Righthand axis: Sun Altitude (degs)

Actual Weather vs Pre-Session Weather Forecast

Session Event Log

Time     Event Detail 21:46:57 Session Created Live Session Created (2021-04-20 S00888, ImageSaveNum: 888001) 21:47:00 Program Resumed AstroMain UI resumed again at 21:47 after 10s 21:48:48   Scope Switched On Telescope Power has been switched on via UPB Powerbox. 21:50:17   Services Started Observatory Services started 22:05:13   Telescope Connected Telescope Connected (TheSky6) 22:43:51   Telescope Connected Telescope Connected (TheSky6) 23:01:24   Camera1 Connected SBIG Camera Connected (set point -20°C) 23:01:36   Dome Opened Dome opened (opening time 44s) 23:53:45 Observatory (Auto) Observatory placed in Fully-Automated Mode 23:53:48 Session Pending Session pending (2021-04-20) 23:53:50 Session Initiating Session initiating (2021-04-20) 23:53:52   Plan Requested Observing Plan requested from AstroPlan (1.21.6) 23:55:07   Plan Loaded Observing Plan loaded to queue (, Plan ID: 627) 23:55:16   Camera1 Connected SBIG Camera Connected (set point -20°C) 23:55:20   Telescope Connected Telescope Connected (TheSky6) 23:55:30 Session Equilibration Session ready for dome & camera equilibration 23:55:32 Session Running Session running 23:55:34   Queue Started Observing Queue started (17 targets selected) 23:56:17       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S) 00:02:00       Focusing Failed Foc1 focusing failed - failed QC check (Range) 00:02:05       Focusing Started-Foc2 Foc2 Focusing Started (Secondary Scope, using ShCap) 00:04:20       Focusing Completed Foc2 AutoFocus Completed (Profile No 1, wide) 00:06:09       Focusing Completed Foc2 AutoFocus Completed (Profile No 1) 00:06:25       Focusing Checked Foc2 Focusing Check Succeeded 00:06:32     Target Started (1/17) Target started (1/17, NGC 4165 w/SN2021gno) 00:08:17 Job Queue Frozen Job Queue appears to have frozen at around 00:07 - 00:08 00:13:17   Telescope Disconnected Telescope Disconected (TheSky6) 00:13:23   Telescope Connected Telescope Connected (TheSky6) 00:18:21 Session Suspended Session suspended 00:18:51 Job Queue Frozen Job Queue appears to have frozen at around 00:18 - 00:18 00:19:11   Dome Closed Dome closed (closing time 50s) 00:36:22     Target Failed Target failed due To centering error (1/17, NGC 4165 w/SN2021gno) 00:36:25   Queue Aborted Job Queue aborted 00:44:38   Dome Opened Dome opened (opening time 45s) 00:45:49       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S) 00:47:46       Focusing Completed Foc1 AutoFocus Completed (Profile No 2) 00:48:09 Observatory (Auto) Observatory placed in Fully-Automated Mode 00:48:13 Session Pending Session pending (2021-04-20) 00:48:16 Session Initiating Session initiating (2021-04-20) 00:48:18   Plan Loaded Observing Plan loaded to queue (, Plan ID: 627) 00:48:22   Camera1 Connected SBIG Camera Connected (set point -20°C) 00:48:27   Telescope Connected Telescope Connected (TheSky6) 00:48:37 Session Equilibration Session ready for dome & camera equilibration 00:48:39 Session Running Session running 00:48:41   Queue Started Observing Queue started (16 targets selected) 00:48:43     Target Missed (2/17) Target's time slot was missed (2/17, NGC 4227 w/SN2021biz) 00:48:45     Target Started (3/17) Target started (3/17, NGC 3310 w/SN2021gmj) 00:48:47 Session Suspended Session suspended 00:49:32   Dome Closed Dome closed (closing time 50s) 00:51:32   Dome Closed Dome closed (closing time 45s) 00:52:08     Target Failed Target failed due To centering error (3/17, NGC 3310 w/SN2021gmj) 00:52:09 User Intervention User Intervention to restart AstroMain 00:52:10   Queue Aborted Job Queue aborted 00:52:45   Services Stopped Observatory Services stopped 00:52:52 Program Closed Program closed by User 00:53:19 Session Resumed Live Session Resumed (2021-04-20 S00888, ImageSaveNum: 888031) 00:54:49   Obs.Manager Started Obs.Manager started 00:54:51   Obs.Overseer Started Obs.Overseer started 00:54:55   Services Started Observatory Services started 00:55:17 Observatory (Auto) Observatory placed in Fully-Automated Mode 00:55:20 Session Pending Session pending (2021-04-20) 00:55:22 Session Initiating Session initiating (2021-04-20) 00:55:26   Plan Loaded Observing Plan loaded to queue (, Plan ID: 627) 00:55:33   Camera1 Connected SBIG Camera Connected (set point -20°C) 00:55:41   Telescope Connected Telescope Connected (TheSky6) 00:55:53 Session Equilibration Session ready for dome & camera equilibration 00:56:40   Dome Opened Dome opened (opening time 46s) 00:56:42 Session Running Session running 00:56:44   Queue Started Observing Queue started (15 targets selected) 00:56:46     Target Started (3/17) Target started (3/17, NGC 3310 w/SN2021gmj) 01:00:23       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-S) 01:05:21     Target Completed Target partially completed (3/17, NGC 3310 w/SN2021gmj) 01:05:23     Target Started (4/17) Target started (4/17, Nova Per 2020 (CV)) 01:21:52     Target Completed Target partially completed (4/17, Nova Per 2020 (CV)) 01:21:55     Target Started (5/17) Target started (5/17, GCVS BL Lac) 01:22:31     Target Failed Target failed due To slew error (5/17, GCVS BL Lac) 01:27:33     Target Started (6/17) Target started (6/17, NGC 5018 w/SN2021fxy) 01:37:11       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S) 01:39:24       Focusing Completed Foc1 AutoFocus Completed (Profile No 4) 01:51:54     Target Completed Target partially completed (6/17, NGC 5018 w/SN2021fxy) 01:51:56     Target Started (7/17) Target started (7/17, IC 863 w/SN2021foa) 02:14:52     Target Completed Target partially completed (7/17, IC 863 w/SN2021foa) 02:14:54     Target Started (8/17) Target started (8/17, IC 992 w/SN2021dwg) 02:15:03     Target Failed Target failed due To slew error (8/17, IC 992 w/SN2021dwg) 02:23:08     Target Aborted (9/17) Target aborted (9/17, GCVS SS Her) due to Priority 1 ToO Target 02:23:10     Target Started (10/18) Target started (10/18, IC 992 w/SN2021dwg, ToO) 02:27:11       Focusing Skipped Foc1 focusing skipped - star is too dim (TCF-S) 02:31:13   Dome Closed Dome closed (closing time 40s) 02:31:19     Target Aborted (10/18) Target aborted (10/18, IC 992 w/SN2021dwg, ToO) due to other condition 02:31:21   Queue Paused Queue paused For Session Suspension 02:31:23 Session Suspended Session suspended 02:31:25   Dome Closed Dome already closed (closed at 02:31, closing time 40s) 02:33:28 Session Resuming Session resuming 02:34:14   Dome Opened Dome opened (opening time 45s) 02:34:16 Session Running Session running 02:34:18   Queue Resumed Observing Queue resumed 02:42:04     Target Started (11/18) Target started (11/18, HIP 87937) 02:59:00       Focusing Started-Foc1 Foc1 Focusing Started (TCF-S) 03:00:52       Focusing Completed Foc1 AutoFocus Completed (Profile No 5) 03:03:10     Target Completed Target completed (11/18, HIP 87937) 03:03:12     Target Missed (12/18) Target's time slot was missed (12/18, GCVS AM Her) 03:03:14     Target Started (13/18) Target started (13/18, 61 Cyg) 03:16:52     Target Completed Target completed (13/18, 61 Cyg) 03:16:54     Target Started (14/18) Target started (14/18, AT2021hkn) 03:26:36     Target Completed Target partially completed (14/18, AT2021hkn) 03:26:38     Target Started (15/18) Target started (15/18, GCVS HH And) 03:26:46     Target Failed Target failed due To slew error (15/18, GCVS HH And) 03:28:18     Target Started (16/18) Target started (16/18, WDS GRB 34) 03:28:28     Target Failed Target failed due To slew error (16/18, WDS GRB 34) 03:36:33     Target Started (17/18) Target started (17/18, C/2020 T2 (Palomar)) 03:36:52     Target Failed Target failed due To slew error (17/18, C/2020 T2 (Palomar)) 03:36:54   Queue Aborted Job Queue aborted 03:36:56 Session Closing Session closing 03:37:46   Dome Closed Dome closed (closing time 50s) 03:38:32   Dome Parked Dome parked (parking time 39s), Az: 90.0 deg 03:39:23   Telescope Parked Telescope parked (parking time 43s) 03:39:53   Telescope Switched Off Telescope Power has been switched off via UPB Switch. 03:40:43   Services Stopped Night Services stopped 03:40:45 Session Housekeeping Housekeeping Started (Cleanup FITS, Create Fits Summary, Transfer Files) 03:40:57 Session Finished Session Finished

Session Alerts

Time     Alert Detail 00:18:18 Job Queue Job Queue appears to be frozen (last IamAlive message at 00:07) 00:28:54 Job Queue Job Queue appears to be frozen (last IamAlive message at 00:18) 02:30:33 Unexpected Dome Closure Dome is unexpectedly closing (Good Conditions)

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Operational Issues (2021-04-20, S888)

• Critical Issues (0)
• Major Issues (4)
• Minor Issues (15)
• Continuous Improvement (2)

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Critical Issues

Major Issues

• Unable to fully start up Telescope without visiting the observatory to enter/confirm curent UTC Time/Date on AutoStar II handbox.   With the previously used MeadeLX200GPS driver, ‘Auto Set Time’ was set to checked in the Driver Properties and when  the telescope was connected it would be set with the Current Time/Date , the DayLight Saving, Time, Date entry requests would be automatically completed (or otherwise dismissed ) and the scope would immediately start returning correct RA, Dec, Az, Alt values for my site & time.   The Meade Generic doesn’t have an ‘Auto Set Time’ setting. In an attempt to get around this the ASCOM Telescope UtcDate property is set to the current UTC Date/Time afte starting Telescope connection from AstroMain (3.39). This goes through to the scope ok as calls to get UtcDate return the new UTC Date/Time. However the RA, DEC, Az & Alt values returned from the scope are still based on the Time/Date that the scope initialised upon, they don’t reflect the new time/date information. The Autobox II handbox continues to sit waiting for DayLight Saving > (Yes/No), Time > & Date > to be entered. The time and date fields show the new date/time (rather than the original 20:00:00 time), but the fields have to be manually confirmed (using the Enter Button) before the scope fully takes them aboard and starts giving the correct RA, Dec, Az & Alt values for observatory site & time.   The ascom@cjdawson.com mailing list have been asked if there is any workaround to this issue or the possibility of an enhancement to the Meade Generic Driver to give the functionality that I formerly relied on with the MeadeLX200GPS Driver ?
  Fixed 2021-04-24 (MeadeGeneric 1.0.1.327) &  AstroMain 3.39.2 (MeadeLX200GPS)
   
• Intermittent issue during Target Centering Jogs '"Unable to start the direct slew!!!".   During target centering TheSky6 frequently put up an 'ASCOM Device Hub' dialog box with the error message 'Unable to startthe direct slew!!!'   This holds up the execution of Job Queue in AstroMain until the dialog box is acknowledged. If the dailog is not seen/not acknowledged, AstroMain's Obs.Overseer eventually intervenes to make the observatory safe (turning off tracking and closing the dome shutter).   Session could only be kept going by remote monitoring and acknowledging the dialog box each time it appeared. Telescope Jogs appear to take place even though dialog box is shown ?. Earlier attempt to fix issue in AstroMain 3.39.1 (2021-04-21) didn't work
  Fixed 2021-04-24 (MeadeGeneric 1.0.1.327)
   
• Dome Shutter unexpectedly closing.  Even though sky conditions were good the shutter unexpectedly closed. during Targets x and y.  This happened after ObsOverseer had made the Observatory Safe following an extended hold-up of the Job Queue which was waiting on a Jog Operation to completed (but couldn't return execute due to un-acknowledged ASCOM dialog box in TheSky ("Unable to start the direct slew!!!")  ).  It is possible a flag is still raised and causes ObsManager to shut the Dome 5s after queue is started.  Resolved in-session by closing down and restarting AstroMain.  A backdoor facility would be helpful in this situation.   Session Housekeeping formally reported this closure at an 'unexpected closure'
  Fix attempted 2021-04-21 (AstroMain 3.39.1 )
   
• Could not connect PemProV2 to LX200GPS using DeviceHub.Telescope linked to Meade Generic.  Upon attempting to connect telescope in PemProV2 This happened after ObsOverseer had made the Observatory Safe following an extended hold-up of the Job Queue which was waiting on a Jog Operation to completed (but couldn't return execute due to un-acknowledged ASCOM dialog box in TheSky ("Unable to start the direct slew!!!")  ).  It is possible a flag is still raised and causes ObsManager to shut the Dome 5s after queue is started.  Resolved in-session by closing down and restarting AstroMain.  A backdoor facility would be helpful in this situation.
  To investigate and resolve 2021-04-21 (AstroMain 3.39.1)

Minor Issues

• Foc1 Focusing for Near Zenith Point point failed during to TCF-S Focuser / Focuser 1 Issue.  Whilst performing Wide Foc1 Profile at start of automated session, exceptions were encountered with each movement of the focuser.  First movement "timed out". Second movement saw the Exception: "CheckDotNetExceptions ASCOM.OptecTCF_S.Focuser Position Get System.ApplicationException: Communication with the device has been lost. The device state will now be set to Disconnected" . Following movements produced the exception "Operation cannot be completed. Device is not connected.". Although exceptions where given and Focuser Positions were reported as vcNull (-99), the associated FWHM values form a recognised focus profile and suggest that focuser movements were actually made. Because the FocusStep array was filled by vcNull value a Best Fit Focus position couldn't be obtained and the autofocusing failed.  A later manual--initiated focus movement working without issue. A later manual-initiated focus profile also worked without issue.  A later job queue-initiated focus profile also worked without issue.
  Closed but monitor for future occurance 2021-04-21 (AstroMain)
   
• A number of post-slew images are trailed (suggesting that the telescope hasn't settled) . This was noticed during short mapping job at start of session.  Initially the problem looks like PEC issue (due to unlocking the RA gear and swinging scope during start-up issue in S888A attempt. Fix attempted 2021-04-21 (AstroMain 3.39.1 ). Problem is due to MeadeGeneric not using Slewing property=True when scope is slewing which confuses TheSky6.
  Fixed 2021-04-24 (MeadeGeneric 1.0.1.327)
   
• A number of post-jog images are trailed (suggesting that the telescope hasn't settled) . This was noticed in Locate 4  images for Target 6/17 (NGC 5018 w/SN2021fxy),   Locate 2 & Locate 3 images for Target 7/17 (IC 992 w/SN2021dwg), Locate 3 & Locate 4 images for Target 11/18  (HIP 87937) , Guide Ref Images for Target 8/17 (61 Cyg), Locate 3 & Guide Ref Images for Target 14/18 (AT2021hkn).  Problem is believed to be due to the preceeding Jog (slew) still being in progress when imaging commenced, an issue caused by MeadeGeneric driver continuously showing Slewing=False even when the scope is slewing which causes TheSky to misunderstand the status of the scope and prematurely return execution to AstroMain before the slew/jog has been finished.
  Fixed 2021-04-24 (MeadeGeneric 1.0.1.327)
  
• Certain Locate Frames for Syncing Telescope Position couldn't be plate solved using ASTAP.   Images with Scope offset of 1.4 deg plate solved ok,  but when scope deliberately resynced to a new workaround position wouldn't plate solve despite having sufficient stars.  May be radius of investigation is too small ? .Radius is set by the adjacent field (default value & fallback value are both  5 degs). Extra tracing added to 3.39.1.
  To monitor (AstroMain  / ASTAP )
   
• Initial attempt at IC 992 w/SN failed as slew ended up 4.1 arc deg from the target location. Job queue moved onto following target but there was to ba 18 minute wait. Issue noticed and the target was resubmitted as a ToO target.   Second attempt to slew to target worked ok.  Similar slew failure occcured for Target 16/18 (WDS GRB 34) which reported a 7.7 deg slewing discrepency, and Target 17/18 ( C/2020 T2 (Palomar)) which reported a 7.7 deg slewing discrepency.  Job Queue should probably continue to take first centering image and only abort the target if that image can't be linked, rather than immediately abort ?
  Fix attempted 2021-04-21 (AstroMain 3.39.1 )
   
• TheSky6 status bar showing message "Invalid image format. Past command failed" . Message noticed at 02:45, but it could have been written some time beforehand. No indication that it posting is ongoing process. Message probably occurred in response to an accidental user paste into TheSky, but monitor for future occurrences.
  Closed but monitor for future occurance2021-04-21 (Session )
   
• Best Focus Chart (Foc1) started at 00:30 whilst other charts started at 21:30. Similar problems have occured in other sessions. Issue might be associated with restart of AstroMain at 00:52.
  To investigate & fix 2021-04-21 (AstroMain 3.39.1 )
   
• Majority of Slew Path on Slewing Chart are drawn as straight line paths and not the expected curved paths.   Straight line paths have previously occured when using DeviceHub.Telescope with MeadeLX200GPS driver but had been fixed. Issue may be due to use of MeadeGeneric driver. Investigation made
  See Investigation - Straight Line ScopePaths when using Meade Generic Ascom Telescope Driver
  Fix attempted 2021-04-21 (AstroMain 3.39.1 )
   
• First point on Zenith FWHM drawn with FWHM value 0.0. First profile failed and the Zenith FWHM should have been set to vcNull.and not posted. A similar issue occured during a recent session (Sxxx, 2021-04-xx) and was believed to have been fixed  (but may be not !) .
  Fixed 2021-04-21 (AstroMain 3.39.1)
   
• Slewing table for MapPoint 3 (2nd Short Mapping Job) show -99s for Dome Slew time.  -99 indicates vcNull value.   Table should have reported "--" in place of -99s.
  Fixed 2021-04-21 (AstroMain 3.39.1)
   
• Session Night Plot is missing from Session Web Page.  This is probably due to AstroPlan not being open at the time AstroMain created the session. ?. Plot appeared ok once session finished.
  Closed 2021-04-21 (Session)
   
• Shutter unexpectedly closed at 02:30. Report File records "Dome is unexpectedly closing (Good Conditions), 2021-04-21 02:30". The Shutter reopened 3 minutes later at 02:34. Housekeeping Status indicate that there were 1 unexpected closure during the session (4 requests, 5 closures). The Pulsar ASCOM Trace file records that a  CloseShutter request was received at 02:30:26, with closing starting at 02:30:27 and finished at  02:31:11 (closing time 44s).   AstroGuard reported a warning "Light Conditions are on a warning state" , an action "Closing Dome due to Light Conditions" and a notification "Shutter has closed (42s)".  Although the messages weren't time stamped  they were issued between 00:55 (Shutter Opening) and 02:34 (Shutter Opening) and can be confidently associated with the unexpected Shutter Closure at 02:30. Scorecard from 02:30:19 shows a momentary outage in Light Sensor value (with associated outage for Clarity and Rain Sensor value).   Extra tracing has been added in AstroMain 3.39.1 (2021-04-21) to list the enviromental conditions at the time that an unexpected closure is recognised to aid diagnosis. Asscoiated issues with AstroGuard and AstroPlan are recorded separately.
  Issue understood 2021-04-21 (AstroMain 3.39.1)
   
• AstroGuard reacted inappropriately to momentary outage in Cloud Sensor data and/or Scordcard Warnings by closing Dome Shutter due to Light Conditions (02:30) .  AstroGuard reported a warning "Light Conditions are on a warning state" , an action "Closing Dome due to Light Conditions" and a notification "Shutter has closed (42s)".  Although the messages weren't time stamped  they are believed to have been from 02:30 when AstroMain detected an unexpected dome closure and the Pulsar ASCOM Trace file records that a CloseShutter request was received at 02:30:26.   Scorecard from 02:30:19 shows a momentary outage in Light, Clarity and Rain Sensor values, with Observing Potential dropping from Excellent to Bad
  To fix (AstroGuard 1.6.1)
   
• Scorecard shows last Cloud Sensor data as being 1hr ago, when it was no more than 40s ago (02:30). Scorecard from 02:30:19 shows a momentary outage in Light, Clarity and Rain Sensor values, with Observing Potential dropping from Excellent to Bad (this led to AstroGuard overreacting and commanding an inappropriate closure of the dome shutter.  The "Cloud Sensor 1 hr ago" note is a bug relating to comparison of Local Time (BST) with  UT time (from CloudSensor file record) .  
  To fix (AstroPlan 1.21.7 )
   
• Session unexpectedly closed & finished before acquiring Target 18/18.   Although logs say Script (Active Plan) was aborted by the user it would seem that it was aborted by the Job queue manager when it was found that scope had moved to unsafe area beyond Az 349 deg (ie the az 349 to 360) with alt < x from a position at Az 43.9/Alt  22
  > Telescope Safety            Alert     2021-04-21 03:36 (Local)
  > Telescope Safety            Alert     Telescope has moved beyond  Az 349°
    Turn off Dome Slaving...    Ok        Dome Slaving is OFF
    Turn Off Tracking..         Ok        Telescope Tracking is OFF
  > Telescope Safety            Action    Telescope will be moved to a safe position
    Scope Speed:                Info      24.5 deg/s        (307.7 degs in 13s)
  
  Slew table suggests that scope attempted to move from Az 43.9/Alt 22 to Az 358.6/Alt 34.3 which is violation
   C/2020 T2 (Palomar) 03:36 45.3 11.5 16s 33.8 2.16 43.9 358.6 22.0 34.3 13s 307.7 24.50 16s
  
  To investigate & fix 2021-04-21 (AstroMain 3.39.1 )

Continuous Improvement

• Create new AstroMain version that can optionally use the 'Meade Generic' telescope instead of the 'Meade LX200GPS/R' .
  Done (AstroMain 3.39)

• Query . What happens to the StartGuider task when the  message "Return from StartGuider task In ExecuteTarget/Continue Is taking a Long time? (02:01)" gets reported ?.   Does the task finish naturally but is simply late or does the task timeout.   The message is produced for targets where focusing is skipped due to insufficient time.
  To investigate (AstroMain 3.39)

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Meade Generic Driver

As part of investigating and attempting to fix a show-stopping issue where connection can no longer be made to the Observatory's 12" LX200GPS scope (see Investigation - Unable to Connect to LX200GPS Scope) the latest 1.0.0.296, 2021-03-02 version of Chris Dawson's fully functional ASCOM driver for Meade Telescopes including the LX200GPS model was downloaded and installed onto the development and observatory computers today (2021-04-19) .   

Meade Generic Website : https://bitbucket.org/cjdskunkworks/meadeautostar497/wiki/Home

The new telescope driver (named  'ASCOM.MeadeGeneric.Telescope' ) is listed as 'Meade Generic' in ASCOM Telescope Chooser. When active the driver is listed as the 'ASCOM.Meade.net.Server.exe'  process in the Windows Task Manager.  

The set of fields on the Meade Generic Settings  are quite different from those on LX200GPS/R Setting driver Telescope Driver properties.  In particular there is no checkbox/fields for specifying AutoSet Time/Date or  how coordinates are returned when the Scope is Parked.   There is however a field for specifying Guiding Rate (default value 10.0779 arc seconds/second (67% of sidereal time).

(I normally use 90% of sidereal time, which would correspond to 13.53 arc seconds/second. )

Meade Generic Driver used for first time today (2021-04-20) during daytime test.

Connection to scope successful, but Time/Date is not AutoSet. Scope initialises with Time 20:00:00 and the last used Date.
Time/Date has to be manually entered via the scope's AutoStar II handbox.

Site (CLAIR ABZ) was set to UTC offset +01. This was changed to correct value of +00,  but this then required scope to be resynced to Park Position in TheSky6 and the Telescope's Park Position reset to current position using the scope's AutoStar II handbox.

(Did this change cause the scope to  slew from  Az 43.9/Alt 22 to Az 358.6/Alt 34.3 when making slew for Target 17/18 (Nova Per 2020) in session S888 (2021-04-20) ? )

(TPoint model in S888B Document was deleted to sync the scope and prior S886 model will need to be reopened at next session.

Meade Generic Driver used for first time in live session today (Session S888, 2021-04-20)

Actions:
  Create new AstroMain version that can optionally use the 'Meade Generic' telescope instead of the 'Meade LX200GPS/R'
  Create new function to set Telescope's UTC Date/Time and apply function when first connecting to Telescope using 'Meade Generic'
  Set DeviceHub.Telescope's trace level to True.

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Investigation - Jog Execution held up by "Unable to start the DirectSlew" dialog from TheSky6/ASCOM

Issue : Intermittent issue during Target Centering Jogs '"Unable to start the direct slew!!!".  

Description: During target centering TheSky6 frequently put up an 'ASCOM Device Hub' dialog box with the error message 'Unable to startthe direct slew!!!'   This holds up the execution of Job Queue in AstroMain until the dialog box is acknowledged. If the dailog is not seen/not acknowledged, AstroMain's Obs.Overseer eventually intervenes to make the observatory safe (turning off tracking and closing the dome shutter).   Session could only be kept going by remote monitoring and acknowledging the dialog box each time it appeared. Telescope Jogs appear to take place even though dialog box is shown ?.

Analysis :

Examining the Jog Operation associated with Centering 1 operation for Target 4/17 (Nova Per 2020) at 01:05

Report File shows :

  Centering 1                           2021-04-21 01:05  (Local)
  Taking 10s image (C)...     Ok        [00888034] 00:05:53 (UT)  Full Locate C
  Linking image (UCA/USNO)... Ok        Stars 29, Scale 1.402, Angle 179.3°

  Reviewing position (1)...   Ok        Pointing Error:  3.44 arc mins (W: -2.54', N: -2.33')  
  Updating Slew Adjustment..  Ok        Updated Adjustment W 0.8, N 1.7 [arc mins]
  Reviewing position (1)...   Ok        Jog Required:    3.44 arc mins (W= 2.54', N= 2.33')
  Applying JogW Adjustment    Ok        JogWAdj=0.13'
  Jogging ...                 **        
> Obs.Overseer                Warning   Telescope.Jog task In MakeJogCorrection/JogN Is taking a Long time? (01:06)
  **                          Ok        Est. Scope Change: 3.02 arc mins (W= -0.10', N= 3.01')

Log File shows

01:05:51.17 | Nova Per 2020              TakeLocateImage        Info    | Locate Image No.  1
01:05:51.17 | Nova Per 2020              Filter                 Info    | Confirming C filter (1)

01:06:06.69 | Nova Per 2020              LinkImage              Ok      | IamAlive: ImageAndLink

01:06:08.50 | Nova Per 2020              Offset                 Data    | 3.44
01:06:08.50 | Nova Per 2020              SepN                   Data    | 2.327
01:06:08.50 | Nova Per 2020              SepW                   Data    | 2.538
01:06:08.50 | Nova Per 2020              OffsetO                Data    | 3.44
                                             | 
01:06:09.50 | Nova Per 2020              Jog                    Data    | Net Jog    W: 2.67', N: 2.33'
01:06:09.50 | Nova Per 2020              Making Jog             Info    | 3.54 arc mins (W= 2.67', N= 2.33')
01:06:09.50 | Nova Per 2020              Telescope.GetRaDec     Ok      | IamAlive: MakeJogCorrection, PreJogPosition
01:06:09.56 | Nova Per 2020              Continue               Ok      | IamAlive: MakeJogCorrection
01:06:09.56 | Nova Per 2020              Making W Jog           Info    | W= 2.67' (3.71' at Dec 44.0)
01:06:09.56 | Nova Per 2020              Telescope.Jog          Ok      | IamAlive: MakeJogCorrection, JogW
01:06:13.01 | Nova Per 2020              Continue               Ok      | IamAlive: MakeJogCorrection
01:06:13.01 | Nova Per 2020              Jog                    Info    | Sleeping For 0.5 secs
01:06:13.52 | Nova Per 2020              Making N Jog           Info    | N= 2.33'
01:06:13.52 | Nova Per 2020              Telescope.Jog          Ok      | IamAlive: MakeJogCorrection, JogN
01:06:55.91 | Observatory Overseer       Check.Operation        Info    | Task In MakeJogCorrection/JogN is taking a Long time? (Telescope.Jog)

01:08:30.66 | Nova Per 2020              Continue               Ok      | IamAlive: MakeJogCorrection
01:08:30.66 | Nova Per 2020              Jog                    Info    | Sleeping For 0.5 secs
01:08:31.17 | Nova Per 2020              Jog                    Ok      | [W] [N]  Jog Completed 
01:08:31.17 | Nova Per 2020              Telescope.GetRaDec     Ok      | IamAlive: MakeJogCorrection, PostJogPosition
01:08:31.27 | Nova Per 2020              Continue               Ok      | IamAlive: MakeJogCorrection
01:08:31.27 | Nova Per 2020              Scope (Pre-Jog)        Data    | RA= 04 30 46.957  Dec= +43 59 35.88 | Current Epoch
01:08:31.27 | Nova Per 2020              Scope (Post-Jog)       Data    | RA= 04 30 47.534  Dec= +44 02 36.75 | Current Epoch
01:08:31.27 | Nova Per 2020              Scope Change           Data    | 3.02 arc mins (W= -0.10', N= 3.01')
01:08:31.27 | Nova Per 2020              Jog Discrepancy        Data    | 2.73 arc mins (W= -2.64', N= 0.69')
01:08:31.27 | Nova Per 2020              Get rawJogW Discrep.   Data    | rawJogW Discrepancy= -2.64'
01:08:31.27 | Nova Per 2020              Update JogWAdj         Ok      | JogWAdj updated to 0.18' (nJogs= 52)
01:08:31.27 | Nova Per 2020              Continue               Ok      | IamAlive: CentreTarget

Meade.Generic.Telescope trace file shows

01:06:09.595 SlewToCoordinatesAsync    Ra=4.49347377511668, Dec=42.2326154754363
01:06:09.595 TargetRightAscension Set  4.49347377511668
01:06:09.595 TargetRightAscension Set  :Sr04:29.61#
01:06:09.626 TargetDeclination Set     42.2326154754363
01:06:09.626 TargetDeclination Set     :Sd+42*13.96#
01:06:09.922 DoSlewAsync               Slewing to target
01:06:09.922 SlewSettleTime Get        0 Seconds

01:06:11.186 RightAscension            Get - 04:29:53 convert to 4.49805555555556 04:29:53
01:06:11.592 Declination               Get - +42[DF]13:29 convert to 42.2247222222222 42:13:29"

01:06:13.620 SlewToCoordinatesAsync    Ra=4.49700257604004, Dec=42.2720129146783
01:06:13.620 TargetRightAscension Set  4.49700257604004
01:06:13.620 TargetRightAscension Set  :Sr04:29.82#
01:06:13.651 TargetDeclination Set     42.2720129146783
01:06:13.651 TargetDeclination Set     :Sd+42*16.32#

01:06:19.236 RightAscension            Get - 04:29:40 convert to 4.49444444444444 04:29:40
01:06:19.266 Declination               Get - +42[DF]14:27 convert to 42.2408333333333 42:14:27"

01:06:19.436 RightAscension            Get - 04:29:40 convert to 4.49444444444444 04:29:40
01:06:19.476 Declination               Get - +42[DF]14:27 convert to 42.2408333333333 42:14:27"

01:06:23.321 RightAscension            Get - 04:29:43 convert to 4.49527777777778 04:29:43
01:06:23.384 Declination               Get - +42[DF]14:43 convert to 42.2452777777778 42:14:43"

01:06:23.758 RightAscension            Get - 04:29:45 convert to 4.49583333333333 04:29:45
01:06:24.148 Declination               Get - +42[DF]14:46 convert to 42.2461111111111 42:14:46"

01:06:37.065 RightAscension            Get - 04:29:55 convert to 4.49861111111111 04:29:55
01:06:37.096 Declination               Get - +42[DF]16:23 convert to 42.2730555555556 42:16:23"

01:06:40.980 RightAscension            Get - 04:29:56 convert to 4.49888888888889 04:29:56
01:06:41.012 Declination               Get - +42[DF]16:24 convert to 42.2733333333333 42:16:24"

01:06:41.214 RightAscension            Get - 04:29:56 convert to 4.49888888888889 04:29:56
01:06:41.246 Declination               Get - +42[DF]16:24 convert to 42.2733333333333 42:16:24"

01:06:45.036 RightAscension            Get - 04:29:56 convert to 4.49888888888889 04:29:56
01:06:45.114 Declination               Get - +42[DF]16:24 convert to 42.2733333333333 42:16:24"

01:06:49.170 RightAscension            Get - 04:29:54 convert to 4.49833333333333 04:29:54
01:06:49.202 Declination               Get - +42[DF]16:23 convert to 42.2730555555556 42:16:23"

01:06:53.211 RightAscension            Get - 04:29:55 convert to 4.49861111111111 04:29:55
01:06:53.242 Declination               Get - +42[DF]16:23 convert to 42.2730555555556 42:16:23"

01:07:01.682 RightAscension            Get - 04:29:56 convert to 4.49888888888889 04:29:56
01:07:01.713 Declination               Get - +42[DF]16:23 convert to 42.2730555555556 42:16:23"

01:07:18.592 RightAscension            Get - 04:29:55 convert to 4.49861111111111 04:29:55
01:07:18.623 Declination               Get - +42[DF]16:23 convert to 42.2730555555556 42:16:23"

Hypothesis
Hypothesis is that dialog pops up when Telescope.Jog (N/S)  is sent before a preceeding Telescope.Jog (E/W) has been completed.

Meade Generic Trace Log shows that Jog is being actioned by called Scope.SlewToCoordinatesAsync.   If execution returns immediately  then a second call to Jog could result in the message seen.

Conclusion:
.

Actions:
  Add a button function to mark occurances of "Unable to start the Direct Slew" dialog in log and report files.  (btnRecordDirectSlewIssue)

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Investigation - Straight Line ScopePaths when using Meade Generic Ascom Telescope Driver

Issue : Majority of Slew Path on Slewing Chart are drawn as straight line paths and not the expected curved paths.  

Description.  Scope Slewing Graph on Dome/Scope Slewing Chart mostly show straight line path between starting coords and ending coordinates rather than curved path.  Issue is believed to be due to use of MeadeGeneric driver (Whilst some straight line path segments have previously occured when using DeviceHub.Telescope with MeadeLX200GPS driver these earlier issues had been fixed.)

Analysis :

Examining the slew to Target 4/17 (Nova Per 2020) at 01:05,  tabulated as a 25s slew from Az 280.0/Alt 62.2 to Az 331.0/Alt 14.9.

The Log file shows:
01:05:21.39 ObjectAzAlt            | Az = 331.7 Alt= 16.4 Airmass=3.52
01:05:21.76 SlewTheSkyScopeToRaDec | Calling SlewTheSkyScope(RaDec)
01:05:21.76 PreSlew AzAlt(Scope)   | Az= 280.0 Alt=62.2
01:05:21.78 PreSlew Az(Dome)       | Az: 274.6
01:05:21.78 Set Telescope          | Setting Telescope.Asynchronous = 1
01:05:21.78 Slew Scope             | Calling Telescope.SlewToRaDec
01:05:21.78 Slew Scope(Coords)     | Ra= 04 30 44.435 Dec=+43 58 28.83 | Epoch Current
01:05:21.78 ScopePath              | Az: 280.04, Alt: 62.15, Slew: 0.000, Time: 0.0
01:05:23.51 ScopePath              | Az: 280.06, Alt: 62.14, Slew: 0.003, Time: 1.7
01:05:25.57 ScopePath              | Az: 280.06, Alt: 62.14, Slew: 0.003, Time: 3.8 Angular Change: 0.00 (Static)
01:05:25.75 ScopePath              | Az: 280.06, Alt: 62.14, Slew: 0.003, Time: 4.0 Angular Change: 0.00 (Static)
01:05:25.96 ScopePath              | Az: 280.06, Alt: 62.14, Slew: 0.003, Time: 4.2 Angular Change: 0.00 (Static)
01:05:26.16 ScopePath              | Az: 280.06, Alt: 62.14, Slew: 0.003, Time: 4.4 Angular Change: 0.00 (Static)
01:05:26.36 ScopePath              | Az: 280.06, Alt: 62.14, Slew: 0.003, Time: 4.6 Angular Change: 0.00 (Static)
01:05:26.57 ScopePath              | Az: 280.06, Alt: 62.14, Slew: 0.003, Time: 4.8 Angular Change: 0.00 (Static)
01:05:26.77 ScopePath              | Az: 280.06, Alt: 62.14, Slew: 0.003, Time: 5.0 Angular Change: 0.00 (Static)
01:05:26.97 ScopePath              | Az: 280.06, Alt: 62.14, Slew: 0.003, Time: 5.2 Angular Change: 0.00 (Static)
01:05:48.90 Set Telescope          | Setting Telescope.Asynchronous = 0
01:05:48.94 SlewAngle              | Total: 0.003, Direct: 102.065
01:05:48.94 SlewTime(Scope)        | Scope Slew Time = 24.7s
01:05:48.94 SlewTime(Dome)         | Dome Slew Time = 27.1s
01:05:48.94 SlewTime(Overall)      | Overall Slew Time =27.1s
01:05:50.46 PostSlewSettle         | Continuing (Telescope has already settled for >= 5 seconds)
01:05:50.46 PostSlew AzAlt(Scope)  | Az= 331.0 Alt=14.9
01:05:50.50 SlewSpeed(Scope)       | Scope Slew Speed= 4.1 deg/s | 102.1 degs in 25s

The slew is made using TheSky6.Telescope.SlewToRaDec in the Asynchonous mode.  and the routine then enters a monitoring loop that examines objScope.Azimuth & objScope.Altitude.  This loop indicates at a small initial movement of 0.003 degs but then no apparent movement of the scope during the perod 1.7s to 5s after the slew initiated The SlewTheSkyScope() routine assumes that the scope has finished slewing and stops further ScopePath tracing after 5s. The routine eventually realises that Scope Slew took a much longer time that the 1.7s initially recognised.

The Meade.Generic.Telescope trace file shows :

01:05:10.143 RightAscension             Get - 10:38:57 convert to 10.6491666666667 10:38:57
01:05:10.205 Declination                Get - +52[DF]00:51 convert to 52.0141666666667 52:00:51"

01:05:13.419 RightAscension             Get - 10:38:56 convert to 10.6488888888889 10:38:56
01:05:13.450 Declination                Get - +52[DF]00:56 convert to 52.0155555555556 52:00:56"
01:05:13.466 Altitude                   62.1574785948659
01:05:13.669 RightAscension             Get - 10:38:56 convert to 10.6488888888889 10:38:56
01:05:13.700 Declination                Get - +52[DF]00:56 convert to 52.0155555555556 52:00:56"
01:05:13.700 Azimuth Get                   280.033201368113
01:05:14.059 RightAscension             Get - 10:38:56 convert to 10.6488888888889 10:38:56
01:05:14.090 Declination                Get - +52[DF]00:56 convert to 52.0155555555556 52:00:56"
01:05:14.152 RightAscension             Get - 10:38:56 convert to 10.6488888888889 10:38:56
01:05:14.183 Declination                Get - +52[DF]00:56 convert to 52.0155555555556 52:00:56"
01:05:14.308 RightAscension             Get - 10:38:56 convert to 10.6488888888889 10:38:56
01:05:14.355 Declination                Get - +52[DF]00:56 convert to 52.0155555555556 52:00:56"

01:05:17.522 RightAscension             Get - 10:38:58 convert to 10.6494444444444 10:38:58
01:05:17.600 Declination                Get - +52[DF]00:56 convert to 52.0155555555556 52:00:56"
01:05:17.600 Altitude                   62.1530235230056
01:05:17.787 RightAscension             Get - 10:38:58 convert to 10.6494444444444 10:38:58
01:05:17.834 Declination                Get - +52[DF]00:56 convert to 52.0155555555556 52:00:56"
01:05:17.849 Azimuth Get                   280.038761474126
01:05:18.005 Slewing                    Result = False
01:05:18.676 RightAscension             Get - 10:38:57 convert to 10.6491666666667 10:38:57
01:05:18.723 Declination                Get - +52[DF]00:52 convert to 52.0144444444444 52:00:52"
01:05:18.770 IsSlewingToTarget          IsSlewing = False : result =
01:05:18.801 RightAscension             Get - 10:38:57 convert to 10.6491666666667 10:38:57
01:05:18.832 Declination                Get - +52[DF]00:52 convert to 52.0144444444444 52:00:52"
01:05:18.879 RightAscension             Get - 10:38:57 convert to 10.6491666666667 10:38:57
01:05:18.926 Declination                Get - +52[DF]00:52 convert to 52.0144444444444 52:00:52"

(>>05:21.78  >> Calling Telescope.SlewToRaDec with asynchronous mode True  << from client log )
01:05:21.796 SlewToCoordinatesAsync     Ra=4.49683650985014, Dec=42.2146667961722

01:05:22.077 RightAscension             Get - 10:38:58 convert to 10.6494444444444 10:38:58
01:05:22.108 Declination                Get - +52[DF]00:56 convert to 52.0155555555556 52:00:56"
01:05:22.108 Altitude                   62.1419165044871
01:05:22.108 TargetRightAscension Set   4.49683650985014
01:05:22.108 TargetRightAscension Set   :Sr04:29.81#
01:05:22.139 TargetDeclination Set      42.2146667961722
01:05:22.139 TargetDeclination Set      :Sd+42*12.88#
01:05:22.373 DoSlewAsync                Slewing to target
01:05:22.373 SlewSettleTime Get         0 Seconds

01:05:22.904 RightAscension             Get - 10:38:57 convert to 10.6491666666667 10:38:57
01:05:22.951 Declination                Get - +52[DF]00:56 convert to 52.0155555555556 52:00:56"
01:05:22.951 Azimuth Get                   280.055385597346
01:05:23.200 IsSlewingToTarget          IsSlewing = False : result = [7F]
01:05:23.200 Slewing                    Result = False
(>>05:26.77  >> 5.0s after slew started << from client log )

01:05:26.882 RightAscension             Get - 09:55:56 convert to 9.93222222222222 09:55:56
01:05:26.960 Declination                Get - +45[DF]26:18 convert to 45.4383333333333 45:26:18"
01:05:26.960 Altitude                   52.5528141630356
01:05:27.319 RightAscension             Get - 09:55:51 convert to 9.93083333333333 09:55:51
01:05:27.677 Declination                Get - +43[DF]37:50 convert to 43.6305555555556 43:37:50"
01:05:27.677 Azimuth Get                   275.559882985181
01:05:27.958 IsSlewingToTarget          IsSlewing = False : result = [7F]
01:05:27.958 Slewing                    Result = False

01:05:31.624 RightAscension             Get - 08:36:15 convert to 8.60416666666667 08:36:15
01:05:31.687 Declination                Get - +42[DF]15:18 convert to 42.255 42:15:18"
01:05:31.687 Altitude                   39.9054840611718
01:05:31.983 RightAscension             Get - 08:16:14 convert to 8.27055555555556 08:16:14
01:05:32.014 Declination                Get - +42[DF]15:18 convert to 42.255 42:15:18"
01:05:32.030 Azimuth Get                   292.111872198048
01:05:32.061 Declination                Get - +42[DF]14:09 convert to 42.2358333333333 42:14:09"
01:05:32.451 RightAscension             Get - 08:16:26 convert to 8.27388888888889 08:16:26
01:05:32.654 IsSlewingToTarget          IsSlewing = False : result = [7F]
01:05:32.654 Slewing                    Result = False

01:05:36.320 RightAscension             Get - 06:56:54 convert to 6.94833333333333 06:56:54
01:05:36.382 Declination                Get - +42[DF]14:01 convert to 42.2336111111111 42:14:01"
01:05:36.398 Altitude                   27.9895722724924
01:05:36.694 RightAscension             Get - 06:38:09 convert to 6.63583333333333 06:38:09
01:05:36.741 Declination                Get - +42[DF]14:01 convert to 42.2336111111111 42:14:01"
01:05:36.741 Azimuth Get                   308.709790435548
01:05:37.115 Declination                Get - +42[DF]15:42 convert to 42.2616666666667 42:15:42"
01:05:37.162 RightAscension             Get - 06:38:09 convert to 6.63583333333333 06:38:09
01:05:37.349 IsSlewingToTarget          IsSlewing = False : result = [7F]
01:05:37.349 Slewing                    Result = False

01:05:41.000 RightAscension             Get - 05:18:04 convert to 5.30111111111111 05:18:04
01:05:41.094 Declination                Get - +42[DF]14:01 convert to 42.2336111111111 42:14:01"
01:05:41.094 Altitude                   18.4121322706165
01:05:41.406 RightAscension             Get - 05:17:38 convert to 5.29388888888889 05:17:38
01:05:41.437 Declination                Get - +42[DF]14:01 convert to 42.2336111111111 42:14:01"
01:05:41.452 Azimuth Get                   322.552961088593
01:05:41.842 Declination                Get - +42[DF]14:27 convert to 42.2408333333333 42:14:27"
01:05:41.936 RightAscension             Get - 04:57:45 convert to 4.9625 04:57:45
01:05:42.061 IsSlewingToTarget          IsSlewing = False : result = [7F]
01:05:42.061 Slewing                    Result = False

01:05:45.711 RightAscension             Get - 04:30:50 convert to 4.51388888888889 04:30:50
01:05:45.774 Altitude                   14.9031767431447
01:05:45.992 RightAscension             Get - 04:29:50 convert to 4.49722222222222 04:29:50
01:05:46.039 Declination                Get - +42[DF]14:01 convert to 42.2336111111111 42:14:01"
01:05:46.054 Azimuth Get                   331.024002395054
01:05:46.257 IsSlewingToTarget          IsSlewing = False : result = [7F]
01:05:46.257 Slewing                    Result = False
01:05:46.132 RightAscension             Get - 04:29:50 convert to 4.49722222222222 04:29:50
01:05:45.774 Declination                Get - +42[DF]14:01 convert to 42.2336111111111 42:14:01"
(>>05:48.94  >> ~ Slew Finished   : << from client log)

01:05:50.017 Altitude                   14.831139934357
01:05:50.750 Azimuth Get                   331.032840343473
01:05:50.984 IsSlewingToTarget          IsSlewing = False : result = [7F]
01:05:50.984 Slewing                    Result = False

01:05:54.931 Altitude                   14.8238065637338
01:05:55.165 Azimuth Get                   331.035757668424
01:05:55.336 IsSlewingToTarget          IsSlewing = False : result =
01:05:55.336 Slewing                    Result = False
01:05:59.018 Altitude                   14.8224452946673
01:05:59.252 Azimuth Get                   331.041669370593
01:05:59.424 IsSlewingToTarget          IsSlewing = False : result =
01:05:59.424 Slewing                    Result = False


Conclusion:
It would seem that Meade Generic isn't updating the Slewing property, and DeviceHub therefore doesn't recognise that Scope is slewing and doesn't move to Fast Polling.
The SlewTheSkyScope() routine currently assumes that fast polling will have begun before 5s have passed,  and doesn't recognosize that the first  coordinate set with 'significantly moved' coordinates may not be received until some 6s or 7s after slewing has started.

It is likely that 5s settle period added by  Scope.SlewTheSkyScope()  , isn't always getting added because AstroMains sometimes think that scope hasn't moved for 5s so that a 5s settle has already been taken up.   This might explain why some images during session show wobbly trailed star traces indicative of the scope still settling following a slew.

Actions:
  Modify AstroMain's SlewTheSkyScope() routine so that at least 8s is waited before concluding that a telescope slew has finished.
  Contact MeadeGeneric user group to report that Slewing Property isn't being updated to True during a slew, and request a fix.
  Contact MeadeGeneric user group to report inconsistency in formtting of Get Property messages in the Meade.Generic.Telescope trace file.

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