The Pinwheel Galaxy

With a diameter of 170,000 light-years, the pinwheel galaxy is roughly equal to the size of the Milky Way and is located in the constellation of Ursa Major, at a distance of 21 million light years. It’s mass is equal to 100 billion solar masses.

Image acquisition details:

Telescope: Explore Scientific 208mm Newtonian

Camera: Canon Rebel Xs (modified)

Exposure: 41 x 3 minute subs

ISO: 1600

Temperature: 20c

Date: 17 June 2016


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