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CCD Images - Session 354 (2009-03-04)

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Objects Session Notes
Bullet C/2007 N3 (Lulin) - Comet
Bullet C/2009 T2 (Cardinal) - Comet
Bullet Astrometric & Photometric Monitoring
- SS Cyg, U Gem  (dwarf nova)
- U And, W And (mira variables)
- BL Lac (blazar)
- RX And, Z And, TT Ari, HR Aur, KR Aur, RZ LMi,
U Mon, CN Ori, CZ Ori, FO Ori, FU Ori, DY Per, GK Per, ER UMa (variables)
 
- Evening session (3.7 hrs), largely operated under automated control
- Ambient Temperature  initially 3 deg C, gradually falling to -2 deg C by end of session
- CCD operation -25 degC (at 62% average cooling).  
- main objective of the session was  to acquire images of key selected stars for ongoing photometric and astrometric analysis. 
- opportunity taken to acquire images of comet Lulin

C/2007 N3 (Lulin) - Comet

C/2007 N3 (Lulin) passing through starfield in Leo

Image

CCD Image (Linear Scale)
3 x 30s sec exposure (average combine, aligned on comet), 
2x2 binning, C Filter
2009-03-04 20:05 h UT (#354055-57)
8" LX200 Classic (at f/6.6) + ST-7E 

  

C/2007 N3 (Lulin) - detail

Image

False Colour CCD Image (Log Scale)
Inverse Specturn
30s sec exposure,  2x2 binning, C Filter
2009-03-04 20:04 h UT (#354055)
8" LX200 Classic (at f/6.6) + ST-7E 

 

C/2007 N3 (Lulin) - detail

Image

Annotated CCD Image (Log Scale)
Inverse Specturn
15 x 20s sec exposure (average combine, aligned on comet), 
2x2 binning, C Filter
2009-03-04 20:09 h UT (#354058-72)
8" LX200 Classic (at f/6.6) + ST-7E 

 

Image

False Colour CCD Image (Log Scale)
Image details as above

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C/2009 T2 (Cardinal) - Comet

C/2009 T2 (Cardinal) passing through starfield in Camelopardalis

Image

CCD Image (Linear Scale)
3 x 120s sec exposure (average combine)
2x2 binning, C Filter
2009-03-04 20:43 h UT (#354093-95)
8" LX200 Classic (at f/6.6) + ST-7E 

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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 354  (2009-03-04)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site