Reflection nebula in the constellation Monoceros
via Wikipedia infobox
NGC 2261 (also known as Hubble's Variable Nebula or Caldwell 46) is a variable nebula located in the constellation Monoceros. The nebula is illuminated by the star R Monocerotis (R Mon), which is not directly visible itself.
Observing history
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).