M101 Pinwheel Galaxy
Pinwheel Galaxy also Messier object M101 in constellation Ursa Major is a large spiral galaxy comparable to size of our Milky Way galaxy. It is about 21 million light years away
This was re-processed in PixInsight.
Shot using 29 frames of 60 sec each, 7D Mark II camera, EF 400 5.6L Lens at ISO 1600, tracked using iOptron Sky Tracker, from Kolvan near Pune
