David's Astronomy Pages
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 Images (S276) |
 Images Sessions |
Home Page |
 Images (S278) |
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Objects Session Notes
NGC 4490 - Spiral Galaxy with Supernovae 2008ax U Mon - RVB variable Astrometric & Photometric Monitoring - U Gem (dwarf nova)
- Z And, KR Aur, AQ CMi, CV CMi, SY Cnc, U Mon, FU Ori, DY Per (variables)RX And, RZ LMi attempts (S/N too low)
- Mid Evenining Session (2.6hr).
Temperature +2.0 deg C- CCD operation of -20 degC
(at 61% average cooling).- main objective was to acquire images of certain selected stars for ongoing astrometric analysis, in particular RX And, Z And
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NGC 4490 with SN 2008ax (Canes
Venatici) Image below
(2008-03-14.92) was taken 11.5 days after discovery. |
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| Annotated CCD Image 7 x 120s exposure (average combine), 2x2 binning, C Filter 2008-03-08 22:00 hUT (#273136-42) |
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Earlier Image of NGC 4490 & SN 2008ax |
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| Annotated CCD Image 7 x 120s exposure (average combine), 2x2 binning, C Filter 2008-03-08 00:48 hUT (#273136-42) |
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Earlier Image of NGC 4490 (Pre-SN) |
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| CCD Image 5 x 180s exposure (average combine), 2x2 binning, C Filter 2006-12-20 06:30h UT (#167511-15) |
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Light Curve for U Mon (Monoceros) |
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| U Mon - reference stars |
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CCD Image 10s exposure, 2x2 binning, V filter, 2007-02-04 21:22h UT (#174224) |
| [ more images and light curves for U Mon ] |
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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 277 (2008-03-14) |
| Last Updated : | 2015-05-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
