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Messier 101 (NGC 5457) - Pinweel Galaxy

M101 is a spiral galaxy in Ursa Major. Near miss by another galaxy in near past has disarranged the spiral arms. It also sparked furious star production. Star nurseries are clearly visible as bright light blue patches inside the spirals where billions of stars are being born as we watch.

 

Distance: 21 million light years; Diameter: 170,000 light years; Trillion stars; Apparent magnitude 7,86.

 

Date: 22.05.2020.

Location: Kosmaj (Bortle 4), Serbia;

Moon: 0%;

Scope: SW MN190;

Mount: SW EQ6-R;

Camera: ZWO ASI294MC Pro @ -10C Gain 120;

Filter: No filter;

Integration: 3h (36x5min);

Picture size: 6110x 4618;

Post processing: PixInsight and Photoshop.

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Uploaded on May 26, 2020