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CCD Images - Session 378 (2009-07-27)

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 (S379) 		 
Objects Session Notes
ARP 220 (IC 4553) - Galaxy
M30 - Globular Cluster
22/P Kopff - Comet
NGC 206 - bright star cloud in M31
Photometric Monitoring - Variables
- RX And, U And, W And, Z And, FO Aql, R CrB
- AM CVn, SS Cyg, AM Her, SS Her, U Her, BL Lac
- CY Lyr, DY Per, GK Per, FG Sge, U Sge, V Sge, ER UMa
Photometric Monitoring - Nearby Stars
- Ross 248 (HH And), Groombridge 34, EV Lac
- Night time session (3.8 hrs).
Initially clear sky with patchy cloud, 
Condensation forming on front corrector lens at end of session
- Operated using semi-automated control with remote monitoring
- Ambient Temperature  initially 12 deg C, decreasing to 8 deg C by end of observing session.
- CCD operation -20 degC (at 71% average cooling).  
- main objective of the session was to acquire images of key selected stars for ongoing photometric and astrometric analysis. 
-

ARP 220 (IC 4553) - Galaxy 

ARP 220 (Serpens Carput)

CCD Image (50% size reduction)
5 x 60s sec exposure (average combine), 3x3 binning, C Filter
2009-07-27 22:51 h UT (#378063-65)
12" LX200R  (at f/5.7) + ST-10XME

 

ARP 220 - detail

Annotated CCD Image (Log Scale, Cropped)
9 x 45s sec exposure (average combine), 3x3 binning, C Filter
2009-07-27 23:03 h UT (#378069-85)
12" LX200R  (at f/5.7) + ST-10XME

 

ARP 220 - more detail

CCD Image (Linear Scale, Cropped)
Image details as above

 

Negative  CCD Image (Log Scale, Cropped)
Image details as above

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M30 - Globular Cluster

M30 (Capricornus)

CCD Image (50% size reduction)
5 x 30s sec exposure (average combine), 3x3 binning, C Filter
2009-07-28 00:26 h UT (#378204-08)
12" LX200R  (at f/5.7) + ST-10XME

 

M30 - detail

CCD Image (Normal size, cropped to central area
Image details as above

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22/P Kopff - Comet

Comet 22/P Kopff 
passing through star field in Aquarius

CCD Image (cropped)
2 x 30s sec exposure (average combine), 3x3 binning, C Filter
2009-07-28 00:34 h UT (#378219-20)
12" LX200R  (at f/5.7) + ST-10XME

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NGC 206 - bright star cloud in M31

NGC 206 / SW part of M31 (Andromeda)

CCD Image (65% size reduction)
7 x 60s sec exposure (average combine), 3x3 binning, C Filter
2009-07-28 00:41 h UT (#378223-29)
12" LX200R  (at f/5.7) + ST-10XME
[Full size image]

 

W part of M31 - detail
location of globular clusters shown by cross hairs

Negative CCD Image (65% size reduction)
Image details as above

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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 378  (2009-07-27)
Last Updated : 2009-08-02
Site Owner : David Richards
Home Page : David's Astronomy Web Site