The largest spiral galaxy in the known universe. This giant is some 800,000 light years across, and has a mass equivalent to 2 trillion solar systems. It lies 307 million light years away.

12 1’2″ Ritchey-Chretien Telescope with an ST10XE/CFW8. F/6 LRGB(44/7minBW, 10/5min2x2bin RGB. Scaled on MaximDL at R 1.0, G 1.0, B 1.6.)