Messier 51 (M51), better known as the Whirlpool Galaxy, is a famous grand-design spiral galaxy located in the constellation Canes Venatici. The Whirlpool Galaxy has an apparent magnitude of 8.4 and lies at an approximate distance of 23 million light years from Earth. It has the designation NGC 5194 in the New General Catalogue.

Triplet Refractor Telescope Focal Length 714mm, EQ G mount, Canon 80D mod, 60 mm guide scope, ASI 224 MC guide camera.

Stacked (7X600s, 1X1500s LF, 2X600s DF) in DSS and further processed in GIMP.