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CCD Images - Session 521 (2012-11-04)

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Objects Session Notes
Bullet C/2012 K5 (LINEAR) - Comet
Bullet 168P/Hergenrother - Comet
 
Bullet Variable Stars
Bullet Photometric Monitoring - Variables
- RX And, Z And, TT Ari, R CrB, CI Cyg, S Cyg, SS Cyg, U Her, BL Lac, SZ Lyn, DY Per, GK Per

- SS Cyg (Time Series)

  Attempts: Z And failed (wind),  W And failed (abort due to cloud), 

Bullet Astrometric Monitoring - Nearby Stars
- Ross 248 (HH And), 61 Cyg, Groombridge 34, EV Lac, Teegardens Star
- Evening session (6.2 hrs duration). 
Moderate conditions, wind affecting some images 
- Session operated under semi-automated control, with remote monitoring from indoors computer.  
(Power-Line networking - no detectable drops outs in over 6 hours).
- Ambient Temperature: -1.0 deg C (minimum) 
No problems with dew at all during session - surprise !
- CCD operation -30 degC (at 70% average cooling).  
- main objectives of the session were to acquire images of selected project stars for ongoing photometric and astrometric analysis, and to image a number of deep sky objects 
-

Comet C/2012 K5 (LINEAR)

C/2012 K5 (LINEAR) 
(moving through starfield in Bootes, passing by spiral galaxy PGC 91359)

Image Image
Annotated CCD Image (50% size)
5  x 60s exposure (average combine), 3x3 binning, C Filter 
2012-11-02 19:10 hUT (#520037-41)
12" LX200R  (at f/9.7) + ST-10XME
False Colour CCD Image / Inverse Spectrum
(100% size, square root scaling, cropped)
Image details as left

 

C/2012 K5 (LINEAR)  - earlier image (2012-11-01)
(moving through starfield in Bootes)

Image Image
Annotated CCD Image (50% size)
5  x 60s exposure (average combine), 3x3 binning, C Filter 
2012-11-01 20:12 hUT (#519018-22)
12" LX200R  (at f/9.7) + ST-10XME
False Colour CCD Image / Inverse Spectrum
(100% size, square root scaling, cropped)
Image details as left

 

C/2012 K5 (LINEAR)  - earlier image (2012-10-21)
(moving through starfield in Bootes)

Image Image
Annotated CCD Image (50% size)
5  x 90s exposure (average combine), 3x3 binning, C Filter 
2012-10-21 22:40 hUT (#517085-89)
12" LX200R  (at f/9.7) + ST-10XME
False Colour CCD Image / Inverse Spectrum
(100% size, square root scaling, cropped)
Image details as left

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Comet 168P/Hergenrother

168P/Hergenrother
(moving through starfield in Andromeda)

Image Image
CCD Image (50% size)
9 x 15s exposure (average combine), 3x3 binning, C Filter 
2012-11-04 20:27 hUT (#521058-66)
12" LX200R  (at f/9.7) + ST-10XME
False Colour CCD Image / Inverse Spectrum
(100% size, square root scaling, cropped)
Image details as left

 

168P/Hergenrother - earlier image (2012-11-02)
(moving through starfield in Andromeda)

Image Image
CCD Image (50% size)
7 x 15s exposure (average combine), 3x3 binning, C Filter 
2012-11-02 19:16 hUT (#520044-50)
12" LX200R  (at f/9.7) + ST-10XME
False Colour CCD Image / Inverse Spectrum
(100% size, square root scaling, cropped)
Image details as left

 

168P/Hergenrother - earlier image (2012-11-01)
(moving through starfield in Andromeda)

Image Image
CCD Image (50% size)
6  x 15s exposure (average combine), 3x3 binning, C Filter 
2012-11-01 20:19 hUT (#519025-32)
12" LX200R  (at f/9.7) + ST-10XME
False Colour CCD Image / Inverse Spectrum
(100% size, square root scaling, cropped)
Image details as left

 

168P/Hergenrother  - earlier image (2012-10-29)
(moving through starfield in Andromeda)

Image Image
CCD Image (50% size)
6  x 15s exposure (average combine), 3x3 binning, C Filter 
2012-10-29 19:19 hUT (#518017-28)
12" LX200R  (at f/9.7) + ST-10XME
False Colour CCD Image / Inverse Spectrum
(100% size, square root scaling, cropped)
Image details as left

 

Animation showing motion of comet 168P/Hergenrother over a 5 hour period
(moving through starfield in Andromeda)

Image

CCD Image (cropped)
7 x 30s (average combine), 3x3 binning, C Filter 
Frame 1:  2012-11-02 19:16 hUT (#520044-50)
Frame 2:  2012-11-03 00:32 hUT (#520503-09)
12" LX200R  (at f/9.7) + ST-10XME

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Variable Stars

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This Web Page: CCD Images - Session 521 (2012-11-04)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site