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CCD Images - Session 306 (2008-09-27)

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Objects Session Notes
Comet 205P Giacobin
NGC 6633 - Open Cluster
GK Per - Variable Star, Nova (1901)
CI Cyg - Variable Star
NGC 6866 - Open Cluster
SS Cyg - Variable Star (UGSS) - Time Series
IC 5378 - Elliptical Galaxy (ARP 130)
UGC 12665 - Spiral Galaxy (ARP 46)
Astrometric & Photometric Monitoring
- SS Cyg, U Gem (dwarf nova)
- U And, W And, H Her, SS Her (mira variables)
- BL Lac (blazar)
- RX And, CY Aqr, TT Ari, R CrB, CY Lyr, EV Lac, FU Ori, IP Peg, RU Peg, , RU Peg, DY Per, GK Per, FG Sge, U Sge, V Sge, WZ Sge, ER UMa (variables)
- AM Her (polar variables)
- Ross 248 (HH And), Barnards Star, Groombridge 34, HIP 3829 (Van Maanen's Star), Teegardens Star  (nearby stars)

Time Series
- EV Lac, SS Cyg

- RR Tau attempts (failed due to cloud/dawn)
- QQ Vul attempt (star drift)
- 61 Cyg attempt (failed due to cloud)


- All night session (10.0 hrs), operated under automated control
- Ambient Temperature 3 degC (minimum)
- CCD operation of -20 degC 
(at 66% average cooling).  
- main objective of the session was  to acquire images of key selected stars for ongoing photometric and astrometric analysis. 
- a secondary objective, to test revised routine for automated guiding between frames, was not possible due to early termination of the session. 


Goto Notes from 2008-09-27

-

 


Comet 205P Giacobin

Comet 205P Giacobin 
(passing through starfield in Aquarius) 
(satellite track in one of frames)

 

 CCD Image 
3 x 120s exposure (average combine), 2x2 binning, C filter,
Frames aligned on comet  
2008-09-27 19:38h UT (#
306051-53)

   

Comet 205P Giacobin - 2.6 hours later
Position of comet relative to bright star 
shows 3.5 arc min motion in 2.6 hours

(satellite track in one of frames)

 

Annotated CCD Image 
20s exposure, 2x2 binning, V filter,  
2008-09-27 22:16h UT (#306186-190)

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NGC 6633 - Open Cluster

NGC 6633 / Herschel VIII-72  (Ophiuchus) 

 

CCD Image Mosaic (3x4, 75% size, cropped)
60s exposure, 2x2 binning, C filter,  
2008-09-27 21:27h UT (#306138-49)
[ Full Size Image ]

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GK Per - Variable Star, Nova (1901)

GK Per (Perseus) 
GK Per is star which had a nova eruption in 1901, and 
undergoes occasional minor outbursts since then.
It is reported to have begun a new outburst. 

Images collected in CBVR filters

 

CCD Image 
3 x 30s exposure (average combine), 2x2 binning, C filter,  
2008-09-27 21:41h UT (#306152-58)

 

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CI Cyg - Variable Star

CI Cyg (Cygnus) 
CI Cyg is reported to be in outburst. 

Images collected in VR filters

 

 Annotated CCD Image 
3 x 20s exposure (average combine), 2x2 binning, C filter,  
2008-09-27 22:02h UT (#
306171-79)

   

CI Cyg - reference stars

 

Annotated CCD Image 
20s exposure, 2x2 binning, V filter,  
2008-09-27 22:01h UT (#306173)

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NGC 6866 - Open Cluster

NGC 6866 / Herschel VII-59  (Cygnus) 

 

CCD Image 
5 x 60s exposure (average combine), 2x2 binning, C filter,  
2008-09-27 22:56h UT (#306215-19)

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SS Cyg - Variable Star (UGSS) - Time Series

SS Cyg  (Cygnus) 

 

CCD Image 
120 x 30s exposure (average combine), 2x2 binning, V filter,  
2008-09-27 23:53h UT (#306232-351)

 

Cyg SS - Photometric Time Series, 82min duration
120 x 30s frames, 2x2 binning, V filter,  
2008-09-27 23:12  to 2008-09-28 00:34h UT  (#306232-351)
[ Notes on successful automated guiding between frames ]

SS Cyg showing magnitude variation of 0.1 mag over 10-20 minute intervals

 

 

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IC 5378 -  Elliptical Galaxy  (ARP 130)

IC 5378 / ARP 130  (Pegasus) 
IC 5378 (catalog mag +13.6), 
[ Adjacent galaxies :  IC 5379 (catalog mag +15.2), 
IC 5377 (catalog mag +15.4) ]

 

Annotated CCD Image 
4 x 180s exposure (average combine), 2x2 binning, C filter,  
2008-09-28 01:43h UT (#306400-04)

  

IC 5378 / ARP 130  - detail 
Elliptical galaxy MCG+3-1-15 
close to perturbing spiral galaxy MCG+3-1-16

 

Annotated  CCD Image (200% size, Cropped)
Image details as above

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UGC 12665 - Spiral Galaxy (ARP 46)

NGC 12665 / ARP 46  (Pegasus) 

 

Annotated CCD Image 
4 x 180s exposure (average combine), 2x2 binning, C filter,  
2008-09-28 02:13h UT (#306414-18)

 

NGC 12665 / ARP 46  - detail 

 

Annotated CCD Image 
(200% size, Negative, Cropped)
Image details as above

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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 306  (2008-09-27)
Last Updated : 2009-06-21
Site Owner : David Richards
Home Page : David's Astronomy Web Site