June 8, 2022

M101 in 9x1800" (May 2022)


I decided to try 1800" subs on this dim galaxy in Ursa Major.  I've only seen it visually a couple of times, and it doesn't look like this in my relatively small scopes!  This is 9x1800" through the 203mm Synta ONTC Newtonian at f/4.9 and an Astronomik CLS filter with the Atik 460EXC camera.  Might be fun to go back next year and gather more data.  This image benefited from Noise Exterminator.

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