David's Astronomy Pages
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 Images (S470) |
 Images Sessions |
Home Page |
 Images (S472) |
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Objects Session Notes
NGC 3972 - Spiral Galaxy with Supernovae SN2011by NGC 3982 - Spiral Galaxy NGC 3913 - Spiral Galaxy NGC 3898 - Spiral Galaxy Variable Stars Photometric Monitoring - Variables - FS Aur, KR Aur, U Gem, CZ Ori, DY Per, GK Per Astrometric Monitoring - Nearby Stars - None
- Evening session (2.2 hrs), cut short when wind began to strengthen. - Session operated under semi-automated control, with remote monitoring from indoors computer. - Ambient Temperature: +1.5 deg C (minimum) - CCD operation -25 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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NGC 3972 with SN 2011by (Leo) Image below
(2011-04-28.91) was taken 2.1 days after SN discovery. |
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| CCD Image (cropped) 5 x 90 sec exposure (average combine), 3x3 binning, C Filter 2011-04-28 21:56 h UT (#471048-52) 12" LX200R (at f/9.7) + ST-10XME |
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NGC 3982 (Ursa Major) |
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| CCD Image (Linear Scaling, cropped) 5 x 120s exposure (av erage combine), 3x3 binning, C Filter 2011-04-28 22:14 hUT (#471058-62) 12" LX200R (at f/9.7) + ST-10XME |
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NGC 3982 - detail |
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| CCD Image (Square Root Scaling,
cropped) Image details as above |
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NGC 3998 / Herschel I-229 (Ursa Major) |
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| CCD Image (cropped) 4 x 120s exposure (av erage combine), 3x3 binning, C Filter 2011-04-28 22:32 hUT (#471067-71) 12" LX200R (at f/9.7) + ST-10XME |
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NGC 3998 & NGC 3990 - Wider View |
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| CCD Image (50% size) Image details as above |
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NGC 3913 (Ursa Major) |
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| CCD Image (cropped) 3 x 120s exposure (av erage combine), 3x3 binning, C Filter 2011-04-28 22:43 hUT (#471074-76) 12" LX200R (at f/9.7) + ST-10XME |
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NGC 3898/ Herschel I-228 (Ursa Major) |
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| CCD Image (cropped) 3 x 120s exposure (average combine), 3x3 binning, C Filter 2011-04-28 22:56 hUT (#471081-83) 12" LX200R (at f/9.7) + ST-10XME |
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NGC 3898 - Wider View |
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| CCD Image (50% size) Image details as above |
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NGC 3898 - Earlier Image (2006-12-20) |
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| CCD Image 5 x 180s exposure (average combine), 2x2 binning, C Filter 2006-12-20 03:25h UT (#167430-34) 8" LX200 + ST-7E |
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| This Web Page: | CCD Images - Session 471 (2011-04-28) |
| Last Updated : | 2015-05-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
