Ruud de Vries - Dutch Backyard Astrophotography

Fighting light pollution.....

M31, Andromeda Galaxy

Messier 31, or the Andromeda Galaxy, is the nearest spiral galaxy to our Milky Way. The distance is 2.5 million light-years and contains about one trillion stars (2 to 3 times more stars then our Milky Way).

Name and aliases M 31, HD 3969, NGC 224, UGC 454
Common names Andromeda, Andromeda Galaxy, And Nebula, Andromeda Nebula
Type Galaxy
Coordinates 00:42:44.32 +41:16:07.5
Radial velocity -300.0 km/s
Distance 2.5 million light years
Magnitude 4.4 (B)
Size 210.9 x 72.2 (arcminutes)
Link Simbad
Link HyperLeda

Messier 31, Andromeda Galaxy

Atik one 6.0
Skywatcher AZ-EQ5 PRO
Guiding camera
Starlight Xpress Lodestar
TS 2" Off Axis Guider
75 * 300sec with Baader L filter, 25 * 300sec RGB, 17 * 300sec Ha Baader 7nm