via Wikipedia infobox
NGC 393 is a lenticular galaxy located in the constellation Andromeda. It was discovered on October 5, 1784, by William Herschel. It was described by Dreyer as "faint, very small, very little extended, gradually brighter middle, four small (faint) stars near."
References
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).