The Rosette Nebula (also known as Caldwell 49) is an H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The open cluster NGC 2244 (Caldwell 50) is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula’s matter.
Imaged with ZWOASI071 MC Pro camera, OPT Triad Quad Filter, Stellarvue 80mm Access refractor, Skywatcher E6R-Pro mount, 9 hours on 2/16/2021