M 31

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Description: The 'Andromeda Galaxy' is the nearest large galaxy to our own. It is unusually rich in globular clusters for a spiral galaxy, harboring at least 500 of them. The black hole at the center of this galaxy has a mass of about 30 million Suns.
Constellation: Andromeda
Distance: 2.5 million light years
Apparent Size: 3.1o x 1.0o
Date: 18 august 2006
Equipment: AP155, ST10XME, AP1200
Exposure: RGB: 40 minutes each, unbinned (Astrodons)