Tags: Star.
V1500 Cygni or Nova Cygni 1975 was a bright nova occurring in 1975 in the constellation Cygnus. It had the second highest intrinsic brightness of any nova of the 20th Century exceeded only by CP Puppis in 1942.V1500 Cygni was discovered on August 29 and reached magnitude 1.7 on the next day.