Celestial hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  NGC 2237  ·  NGC 2238  ·  NGC 2239  ·  NGC 2246  ·  NGC 2252  ·  Rosette A  ·  Rosette B  ·  Rosette Nebula  ·  The star 12 Mon
NGC2244 - Rosette Nebula, Ganesh Raja M
NGC2244 - Rosette Nebula
Powered byPixInsight

NGC2244 - Rosette Nebula

NGC2244 - Rosette Nebula, Ganesh Raja M
NGC2244 - Rosette Nebula
Powered byPixInsight

NGC2244 - Rosette Nebula

Equipment

Loading...

Acquisition details

Loading...

Description

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 or Caldwell 50 (the bright stars in the center of the nebula), is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter.

The cluster and nebula lie at a distance of 5,000 light-years from Earth and measure roughly 130 light years in diameter. The radiation from the young stars excites the atoms in the nebula, causing them to emit radiation themselves producing the emission nebula we see. The mass of the nebula is estimated to be around 10,000 solar masses.

A survey of the nebula with the Chandra X-ray Observatory has revealed the presence of numerous new-born stars inside optical
Rosette Nebula and studded within a dense molecular cloud. Altogether, approximately 2500 young stars lie in this star-forming complex, including the massive O-type stars HD 46223 and HD 46150 (the two bright stars on the top right corner of the center), which are primarily responsible for blowing the ionized bubble. Most of the ongoing star-formation activity is occurring in the dense molecular cloud to the south east of the bubble (bottom right in the picture).

This image is in SHO color palette where Sulphur is assigned to Red, Hydrogen to Green and Oxygen to Blue.  The golden color represents areas rich in hydrogen and sulphur and blue represents areas rich in oxygen.

Comments

Sky plot

Sky plot

Histogram

NGC2244 - Rosette Nebula, Ganesh Raja M