via Wikipedia infobox
NGC 503, also occasionally referred to as PGC 5086 or GC 5169, is an elliptical galaxy in the constellation Pisces. It is located approximately 265 million light-years from the Solar System and was discovered on 13 August 1863 by German astronomer Heinrich Louis d'Arrest.
Observation history
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).