open cluster in the constellation Cassiopeia
via Wikipedia infobox
NGC 225 is an open cluster in the constellation Cassiopeia. It is located roughly 2,200 light-years from Earth. It is about 100 to 150 million years old.
The binary fraction, or the fraction of stars that are multiple stars, is 0.52.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).