David's Astronomy Pages
|
 Images (S258) |
 Images Sessions |
Home Page |
 Images (S260) |
|
Objects Session Notes
2007 TU24 - Minor Planet (Near Earth Asteroid) Astrometric & Photometric Monitoring
- SS Cyg (dwarf nova)
- BL Lac (Blazar)
- RX And, Z And, U Mon (variables)
- Evening session (1.9hr) - CCD operation of -25 degC (at 81% average cooling). - main objective was to acquire images of near earth asteroid 2007 TU24 and certain selected stars for ongoing photometric, in particular SS Cyg, Z And and RX And.
This 10m diameter asteroid passed by earth today (2008-01-31) at a distance of 1.4 LD (lunar distance).
| Near Earth Asteroid 2007 TU24 (passing through starfield in Ursa Major) |
|
| Annotated CCD Image
7 frames, 15s exposure, at 5 minute intervals (av. combine), 2x2 binning, C Filter 2008-01-31 21:35 to 22:05h UT (#259070-147) |
|
| Annotated CCD Image
84 frames, 15s exposure (av. combine), 2x2 binning, C Filter 2008-01-31 21:32 to 22:05h UT (#259064-147) |
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 259 (2008-01-31) |
| Last Updated : | 2015-05-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
