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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 |