Spiral galaxy and two satellite galaxies in Andromeda
This image taken with a telephoto lens shows Messier 31, the Andromeda galaxy, and its two elliptical satellite galaxies. Messier 110 is to the upper right, and Messier 32 is the small fuzzy ball directly below the center of M31.
Messier 31:
| Magnitude | 4.2 |
| Apparent Size | 178' x 63' |
| Distance (light yrs) | 2.3 million |
| Right Ascension | 0:42.7 |
| Declination | +41 16 |
| Field of View | 2.2° x 1.6° |
Image details: Exposure times of 60 minutes luminance and 30 minutes each of red, green and blue, taken with an SBIG 8300M imager and a Tokina 500 mm lens.
October 2013