M 67

M 67, a rich open stellar cluster (~ 500 members) at a distance of 2700 light-years (830 pc) located in constellation Cancer. M67 contains about 200 white dwarfs, 100 solar-type stars and many red giants. M67 is  unusually old (4 Billion years).

Open stellar cluster M67, 11 February 2022, Kempen, William Optics APO 110 mm, f/7, 

ASI1600mm pro, LRGB, L(470 s), R(480 s), G(490 s), B(400 s), stacks of 10 sec exposures, gain 139, T = -10C. 

No auto-guiding. Image processing with PixInsight V1.8.9