David's Astronomy Pages
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 Images (S420) |
 Images Sessions |
Home Page |
 Images (S422) |
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Objects Session Notes
C/2007 Q3 (Siding Spring) - Comet NGC 7023 - Reflection Nebula (Caldwell 4) NGC 7331 - Spiral Galaxy (Caldwell 30) Variable Stars Photometric Monitoring - Variables - U And, W And, Z And, FO Aql, R CrB, AM CVn, RS CVn,
- AM Her, U Her, CY Lyr, TZ Lyr, DY Per, GK Per
Astrometric Monitoring - Nearby Stars - Barnard's Star
- Night session (2.7 hrs), cloud cover developing in last hour. - Session operated under semi-automated control, with remote monitoring from indoors computer. - Ambient Temperature: 8.0 deg C (minimum), climbing to 10 deg as cloud cover developed - CCD operation -20 degC (at 72% average cooling). - main objectives of the session was to acquire images of selected project stars for ongoing photometric analysis -
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Comet C/2007 Q3 (Siding_Spring) |
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| Annotated CCD Image 3 x 60s exposure (average combine), 3x3 binning, C Filter 2010-08-07 22:11 hUT (#421039-41) 12" LX200R (at f/9.7) + ST-10XME |
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NGC 7023 / Caldwel 4 (Cepheus) |
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| CCD Image (linear scale, 50% size) 13 x 20s exposure (average combine), 3x3 binning, C Filter 2010-08-07 22:26 hUT (#421045-58) 12" LX200R (at f/9.7) + ST-10XME |
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NGC 7023 / Caldwel 4 - detail |
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| CCD Image (log scale, 50% size) Image details as above |
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| False colour CCD Image (log, 50% size) Inverse Spectrum Image details as above |
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NGC 7331 / Caldwel 30 (Pegasus) |
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| CCD Image (linear scale, 50% size) 60s exposure (single frame), 3x3 binning, C Filter 2010-08-07 22:26 hUT (#421125) 12" LX200R (at f/9.7) + ST-10XME |
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| This Web Page: | CCD Images - Session 421 (2010-08-07) |
| Last Updated : | 2015-05-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
