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CCD Images - Session 420 (2010-05-07)

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 (S421) 		 
Objects Session Notes
Bullet 81P/Wild - Comet
Bullet NGC 2357 - Spiral Galaxy
Bullet NGC 3509 - Spiral Galaxy (ARP 335)
Bullet Variable Stars
Bullet Photometric Monitoring - Variables
- HR Aur, KR Aur, SY Cnc, U Gem, DY Per

U Her (failed due to dew) 
Bullet Astrometric Monitoring - Nearby Stars
- None
 
- Evening session (1.1 hrs), dew developing
- Session operated under semi-automated control, with remote monitoring from indoors computer. 
- Ambient Temperature:  3.0 deg C  (minimum)
- CCD operation -20 degC (at 55% average cooling).  
- main objectives of the session was to acquire images of selected project stars for ongoing photometric analysis
-

81P/Wild  - Comet

Comet 81P / Wild  (passing through starfield in Virgo)
Image
CCD Image (cropped)
5  x 45s exposure (average combine), 3x3 binning, C Filter 
2010-05-07 00:30 hUT (#420039-43)
12" LX200R  (at f/9.7) + ST-10XME

 

Earlier Image of Comet 81P / Wild - 2010-03-25
Image
CCD Image (cropped)
5  x 45s exposure (average combine), 3x3 binning, C Filter 
2010-03-25 00:23 hUT (#418120-24)
12" LX200R  (at f/9.7) + ST-10XME

 

Earlier Image of Comet 81P / Wild - 2010-03-10
Image
CCD Image (cropped)
3  x 45s exposure (average combine), 3x3 binning, C Filter 
2010-03-10 00:30 hUT (#416382-86)
12" LX200R  (at f/9.7) + ST-10XME
[larger image]

 

 Earlier Image of Comet 81P / Wild - 2010-02-21
Image
CCD Image (cropped)
3  x 45s exposure (average combine), 3x3 binning, C Filter 
2010-02-21 01:37 hUT (#414534-36)
12" LX200R  (at f/9.7) + ST-10XME

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NGC 2357 - Spiral Galaxy

NGC 2357 (Gemini)
Image
CCD Image (linear scale, cropped)
90s exposure (single frame), 3x3 binning, C Filter
2010-05-07 22:03 hUT (#420029)
12" LX200R  (at f/9.7) + ST-10XME

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NGC 3509 - Spiral Galaxy (ARP 335)

NGC 3509 / ARP 335 (Leo)
Image
CCD Image (linear scale, cropped)
90s exposure (single frame), 3x3 binning, C Filter
2010-05-07 22:03 hUT (#420029)
12" LX200R  (at f/9.7) + ST-10XME

 

NGC 3509 / ARP 335 - detail
Image
Negative CCD Image (linear scale, cropped)
Image details as above

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Variable Stars

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This Web Page: CCD Images - Session 420  (2010-05-07)
Last Updated : 2019-08-18
Site Owner : David Richards
Home Page : David's Astronomy Web Site