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NGC 3697 is a spiral galaxy in the constellation of Leo. It was discovered on 24 February 1827 by John Herschel. It was described as "extremely faint, very small, extended 90°" by John Louis Emil Dreyer, the compiler of the New General Catalogue. It is a member of HCG 53, a compact group of galaxies.
One supernova, SN 2020aavb (type Ia, mag. 16), was discovered in NGC 3697 on 23 November 2020.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).