EarthSky Community Photos

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David Hoskin
Halifax, Nova Scotia, Canada
08:10 pm

Equipment Details:

WO RedCat51 Astrograph/ZWO ASI183MC camera/SkyWatcher EQ6R mount

Post-processing Details:

40 4-minute subs plus calibration frames stacked with Images Plus; post-processing with SiriL, Photoshop, Images Plus, and Microsoft Photo. I left the final image in grayscale since detail was better than in the color version.

Image Details:

Andromeda Galaxy (M31) and companion galaxies (M32 and M110) in grayscale, imaged from Halifax on 1 November 2021. M31, located about 2.5 million light years from Earth, is similar in form to our Milky Way Galaxy but it is twice as large. M31 is predicted to collide with our Milky Way about 4.5 billion years!