| Object Data |
| Description |
M31 is the most famous spiral galaxy in the sky. It
is by far the largest of the three large spirals in our local group of
galaxies. |
| Constellation |
Andromeda the Princess |
| Right Ascension |
0h 42m 57s |
| Declination |
+41° 17' 23" |
| Magnitude |
4.3 |
| Angular size |
189 arcminutes |
| Distance |
0.7 megaparsecs (2.25 million light years) |
| Radial Velocity |
-300 kilometers per second (approaching) |
| Image Data |
| Photographer |
Fred Lehman |
| Main Scope |
Meade 14" LX200GPS |
| Imaging Scope |
Celestron 5" SCT @ f/3.3 (415mm) |
| Guide Camera |
Not needed |
| Imaging Camera |
Starlight Xpress MX7C |
| Resolution |
780 x 580 @ 4.1 arcseconds per pixel |
| Exposure |
Twenty exposures of thirty seconds each. Aligned,
stacked, and processed with AstroArt. |
| Date |
November 22, 2003 |
| Location |
Area 51 in Big Cypress National Preserve in central
South Florida. |
