M101 Pinwheel Galaxy

The Pinwheel Galaxy (Galaxie Větrník) is a face-on spiral galaxy distanced 21 million light-years away in the constellation Ursa Major.

 

Sky-Watcher 80ED 600mm (Semi-apochromatic Refractor)

Sky-Watcher 0.85x Reducer/Flattener

Sky-Watcher HEQ5

Canon 350Dm + CLS filter

50x450s + 23x600s @ ISO800 (10h 5min)

Taken through 3 nights (2.4., 3.4, 5.4.2016)

Lacerta MGEN2

 

Calibrated, registered, stacked in DeepSkyStacker.

Postprocessing in PS5.

Done