M81 and M82 in Ursa Major (LRGB)
Image Details
| Target: | M81 (NGC 3031) and M82 (NGC 3034) |
| Coordinates (Center - J2000): | RA 9h 55m 53s ; Dec +69d 21m 55s |
| Date: | 18 February 2007 |
| Constellation: | Ursa Major |
| Imaging Location: | Chiefland, Florida |
| Camera: | SBIG ST-8XME & CFW-10 Color Filter Wheel |
| Filters: | Astrodon Series E Tru-Balance LRGB |
| Telescope: | Takahashi TSA-102S 4" APO Triplet f/8 (FL = 814mm) |
| Mount: | Takahashi EM-200 Temma II GEM (12 VDC) |
| Image Scale: | 2.28 arcseconds per pixel |
| CCD Temperature: | -20 C |
| L:R:G:B Exposures: | 90:50:50:50 minutes (10 min. sub-exposures) |
| Mount Control Software: | The Sky 6.0.0.52 |
| Camera Control Software: | CCDSoft 5.00.182 |
| Focus Control Software: | FocusMax 3.3.15 |
| Executive Control Software: | CCD Commander 1.4.5 |
| Sub-frame Registration Software: | Registar |
| Calibration and Combining Software: | CCDStack |
| Final Processing Software: | Photoshop CS |
