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Halifax, Nova Scotia, Canada
04:00 am
WO RedCat51 refractor, ZWO ASI183MC camera with Optolong L-Pro filter, SkyWatcher EQ6R Pro mount.
98 4-minute lights plus calibration frames were stacked using DeepSkyStacker; other post-processing was with Siril, Photoshop CS2 plus Astronomy Tools plugin, StarNet++ and PhotoScape X.
The Andromeda Galaxy (Messier 31), at 2.5 million light years from Earth, is the nearest large galaxy. It has a barred spiral structure and over 20 satellite dwarf galaxies that include Messier 32 (middle left) and Messier 101 (bottom right). In 4 to 5 billion years the Andromeda Galaxy is expected to collide with our Milky Way Galaxy!
