David's Astronomy Pages
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 Images (S471) |
 Images Sessions |
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 Images (S473) |
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Objects Session Notes
NGC 3972 - Spiral Galaxy with Supernovae SN2011by Hickson 68 - Galaxy Group (NGC 5334, NGC 5350 et al) Variable Stars Photometric Monitoring - Variables - FS Aur, KR Aur, AM CVn, U Gem, GK Per, ER UMa, SU UMa - RS CVn attempt (dew)
Astrometric Monitoring - Nearby Stars - None
- Evening session (1.3 hrs) - Session operated under semi-automated control, with remote monitoring from indoors computer. - Ambient Temperature: +4.5 deg C (minimum) - CCD operation -25 degC (at 77% average cooling). - main objectives of the session was to acquire images of selected project stars for ongoing photometric analysis.
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NGC 3972 with SN 2011by (Leo) Image below
(2011-04-29.93) was taken 3.1 days after SN discovery. |
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| CCD Image (cropped) 5 x 90 sec exposure (average combine), 3x3 binning, C Filter 2011-04-29 22:21 h UT (#472029-33) 12" LX200R (at f/9.7) + ST-10XME |
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Hickson 68 / NGC 5334 et al (Canes Venatici) |
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| Annotated CCD Image (50% size) 5 x 120 sec exposure (average combine), 3x3 binning, C Filter 2011-04-29 22:59 h UT (#472062-66) 12" LX200R (at f/9.7) + ST-10XME [ larger image ] |
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NGC 5350 - detail |
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| CCD Image (100% size,
cropped) Image details as above |
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NGC 5350 - detail |
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| Negative CCD Image (100% size,
cropped) Image details as above |
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| This Web Page: | CCD Images - Session 472 (2011-04-29) |
| Last Updated : | 2015-05-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
