Messier 31 (M31 NGC 224) also known as the Andromeda Galaxy, is a magnitude 4.4
spiral galaxy in the constellation of Andromeda. It is the nearest spiral galaxy to our
own, at a distance of 2.54 million light years. It is a naked eye object at dark sites, and
has a very large apparent size of 190 x 60 arc minutes, or 3 degrees by 1 degree. The
faint areas stretch to 7 times the diameter of the full moon.
Date: Nov 3 2007
Location: New Ringgold PA
Optics: NP101 at 540mm
Mount: Paramount ME
Camera: SBIG ST-8XME / CFW-8
Guiding: ST-8XME integral guiding chip controlled by Maxim CCD
Exposure: LRGB (all unbinned): Luminance: 18x3 min, R:8x5 min, G:8x5 min, B:8x6
min for a total of 192 minutes
Processing: Image acquisition using CCD Autopilot.
Blue Mountain Vista Observatory New RInggold PA
M31 The Andromeda Galaxy