David's Astronomy Pages
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 Images (S280) |
 Images Sessions |
Home Page |
 Images (S281) |
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Objects Session Notes
V2491 Cyg - nova Astrometric & Photometric Monitoring - U Gem (dwarf nova)
- SS Her, U Her (mira variable)
- KR Aur, AQ CMi, AV CMi, AM CVn, AM Her, RZ LMi,
- CY Lyr, U Mon, DY Per, ER UMa (variables)
- V2491 Cyg (nova)
- Evening session (4.1hr) - CCD operation of -25 degC
(at 66% average cooling).- main objective was to acquire images of certain selected stars for ongoing photometric and astrometric analysis - opportunity taken to acquire images of a new nova in Cygnus
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V2491 Cyg (Cygnus) |
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| Annotated CCD Image 20s exposure, 2x2 binning, C Filter 2008-04-14 23:30hUT (#281142) |
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| Unannotated CCD Image (Image details as above) | ||
| CCD image of V2491 Cyg
compared with Pre-Nova starfield Nova is marked by white indicators |
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| Nova V2491 Cyg 4.25 days after discovery (mag +8.5) |
Pre-Nova |
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3x20s exposure (average combine), 2x2 binning, C Filter 2008-04-14 23:48hUT (#281164-66) |
DSS image Same field of view as image to left [ image from http://archive.stsci.edu/cgi-bin/dss_form ] |
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Images collected for Astrometric Monitoring
of Nearby Stars Project
Images collected for Photometric Monitoring
of Variable Stars
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| This Web Page: | CCD Images - Session 281 (2008-04-14) |
| Last Updated : | 2015-05-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
