M101 (aka Pinwheel galaxy) is a face-on spiral galaxy at 21 million light years away in the constellation of Ursa Major. This galaxy is larger than our Milky Way and contains about 1 trillion stars.

🔭 William Optics Megrez 90 📷 ZWO ASI2600MC Duo 150x1min exposures processed in SIRIL and Photoshop