The Rosette Nebula Emission Nebula/Star Cluster in Monoceros

Uploaded 4/04/08

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 There are few nebula in the sky that so clearly display the transition from pink in the central regions to a deep red in the outer. This is caused by the fact that the inner most nebula is closest to the hot OB stars in the cluster and thus put out an additional Hbeta line in the blue. Further out, we only get the pure deep red of Halpha excitation. The nebula itself, NGC2237-38 surrounds the large and splashy open cluster NGC2244, a 4.8 magnitude elongated object with plenty of hot stars.

The field here is 2 x 2.5 degrees in size and is a richly stellar field with many colored stars.

Lens: Stellarvue SV80s at f/4.8 Camera: Canon XTi Hutech Modified Mount: Home made GEM with Byers Starmaster Drive Location: Happy Jack, Arizona Elevation: 6800 ft. Sky: Seeing 8/10, Transparency 10/10 Outside Temperature: 35F Processing Tools: Photoshop CS2, Maxim DSLR HOME GALAXIES EMISSION NEBS REFLECTION NEBS COMETS GLOBULARS OPEN CLUST PLANETARIES LINKS