NGC_3697
NGC 3697
Spiral galaxy in the constellation Leo
NGC 3697 is a spiral galaxy in the constellation of Leo.[2] It was discovered on 24 February 1827 by John Herschel.[4] It was described as "extremely faint, very small, extended 90°" by John Louis Emil Dreyer, the compiler of the New General Catalogue.[4] It is a member of HCG 53, a compact group of galaxies.[3]
One supernova, SN 2020aavb (type Ia, mag. 16), was discovered in NGC 3697 on 23 November, 2020.[5]