The Pinwheel galaxy

 

 

Imaged by Jean-Yves Beninger from Singapore on 6 May 2019

AP130 and QSI 683wsg-8 camera, L filter

AP Mach1 mount

 

M101 was discovered by Pierre Mechain on 27 March 1781 and added as one of the last entries in Charles Messier's catalogue. It was one of the first "spiral nebulae" identified by William Parsons.

Burnham's Celestial Handbook