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Rosette Nebula - NGC 2237 (Caldwell 49)

The Rosette Nebula (NGC 2237 or Caldwell 49) is a faint emission nebula in the constellation Monoceros. It lies at a distance of approximately 5200 light years and is about 130 light years in diameter.

The open star cluster NGC 2244 (Caldwell 50) is located at the center of the nebula and is composed of bright young stars formed several million years ago. Their stellar winds are clearing a hole in the nebula's center, insulated by a layer of dust and hot gas. Ultraviolet light from the hot cluster stars causes the surrounding Rosette Nebula to glow. Globules of dark dust and gas appear silhouetted in the nebula and are slowly being eroded away by the energetic light and winds of NGC 2244.

Wide Angle of Rosette Nebula shows this object at a lower power.

For more information, see the Caldwell Catalog as well as specific entries for Rosette Nebula in Wikipedia and Atlas of the Universe.

Technical Details




Rosette Nebula - NGC 2237 (Caldwell 49)

Rosette Nebula
Rosette Nebula - NGC 2237
Nikkor 180
2011 Jan 28

Rosette Nebula
Rosette Nebula - NGC 2237
TAK E180
2011 Jan 30

Rosette Nebula
Rosette Nebula - NGC 2237
ASA N12
2014 Jan 02







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