David's Astronomy Pages
|
 Images (S277) |
 Images Sessions |
Home Page |
 Images (S279) |
|
Objects Session Notes
C/2008 C1 (Chen-Gao) - Comet NGC 4490 - Spiral Galaxy with Supernovae 2008ax Astrometric & Photometric Monitoring - U Gem (dwarf nova)
- W And, U Her (mira variable)
- RX And, Z And, KR Aur, SY Cnc, DY Per, RR Tau, SU Tau (variables)
- Evening Session (3.1hr) - CCD operation of -15 degC
(at 49% average cooling).- main objective was to acquire images of certain selected stars for ongoing astrometric analysis
|
Comet C/2008 C1 (Chen-Gao) |
 |
| CCD Image 5 x 60s exposure (average combine), 2x2 binning, C Filter 2008-03-30 21:21hUT (#278067-71) |
| Comet C/2008 C1 (Chen-Gao) - detail |
|
|
| CCD Image 5 x 60s exposure (average combine, aligned on comet), Image details as above |
|
Pair of images illustrating motion
of C/2008 A1 (Chen-Gao) |
 |
| CCD Images 5 x 180s exposure (average combine), 2x2 binning, C Filter Top: 2008-03-30 21:21hUT (#278067-71) Bottom: 2008-03-30 21:23hUT (#278113-17) |
Back to Top
|
NGC 4490 with SN 2008ax (Canes
Venatici) Image below
(2008-03-30.94) was taken 27.5 days after discovery. |
 |
| Annotated CCD Image 7 x 120s exposure (average combine), 2x2 binning, C Filter 2008-03-30 22:36 hUT (#278120-26) |
|
Earlier Image of NGC 4490 & SN 2008ax |
 |
| Annotated CCD Image 7 x 120s exposure (average combine), 2x2 binning, C Filter 2008-03-08 00:48 hUT (#273136-42) |
|
|
|
Earlier Image of NGC 4490 (Pre-SN) |
 |
| CCD Image 5 x 180s exposure (average combine), 2x2 binning, C Filter 2006-12-20 06:30h UT (#167511-15) |
Back to Top
Images collected for Astrometric Monitoring
of Nearby Stars Project
Images collected for Photometric Monitoring
of Variable Stars
Back to Top
| This Web Page: | CCD Images - Session 278 (2008-03-30) |
| Last Updated : | 2015-05-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
