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M101 - Pinwheel Galaxy | by ZENIT Observatory
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M101 - Pinwheel Galaxy

M101 or Pinwheel Galaxy is a spiral galaxy in the constellation Ursa Major, about 20 million light years away from us. The galaxy was discovered in 1781 by Charles Messier and Pierre Méchain. "Wikipedia data"

 

Below the data of the shot:

 

ZENIT Observatory

Location: Manciano (Grosseto) - Italy

Telescope: GSO RC Truss 10"

Focal reducer: Riccardi 0,75X - M63

Focal: 1500 mm

Mount: 10Micron GM2000 HPS II

CCD: Moravian G2 8300

Filter: 36mm Astrodon LRGB Gen 2

Exposure details:

L 78 x 300" bin 1

R 19 x 300 bin 2

G 20 x 300" bin 2

B 20 x 300" bin 2

Sensor Temperature: -20°

Integration: 11,41 h

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Taken in March 2019