M100, Messier 100 (also known as NGC 4321) is a grand designintermediate spiral galaxy in the southern part of the mildly northernComa Berenices.[4] Imaged in my backyard observatory with a Meade 16″ LX200 @ f 6.3 with ZWOASI071 MC Pro camera,Stellarvue Access 80mm guide scope ZWO174 mini guider. Pixinsight EZ Suite. 7 hour exposure Gilbert, AZ 10/27/2021