R Monocerotis

R Monocerotis is a young, massive Herbig Ae/Be star situated about 2,500 light-years from Earth in the constellation Monoceros. It is surrounded by a circumstellar disk of gas and dust and is the illuminating source of Hubble's Variable Nebula (NGC 2261).

Source: constellation-guide.com

APODs including "R Monocerotis"

The Variable Nebula NGC 2261

31/01/2025

NGC 2261: Hubble's Variable Nebula

08/11/2017