Galaxy M109 in Ursa Major

Messier 109 (also known as NGC 3992) is a barred spiral galaxy exhibiting a weak inner ring structure around the central bar approximately 83.5 ± 24 million light-years away in the constellation Ursa Major. M109 can be seen southeast of the star Phecda (γ Uma)


This image was taken on the night of 13 April 2016 with my Megrez 90 telescope and Atik 460 EX mono CCD camera using a 0.8x focal reducer and Astrodon LRGB filters.

It consists of 24 x 600s of luminance and 6 x 300s each of RGB.

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