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 December 03 2009  "Rosetta Nebula" NGC2237 |
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The Rosetta Nebula is a vast cloud of dust and gas, extending over an area of more than 1 degree across, or about 5 times the area covered by the full moon. Its parts have been assigned different NGC numbers: 2237, 2238, 2239, and 2246. Within the nebula, open star cluster NGC 2244 is situated, consisted of the young stars which recently formed from the nebula's material, and the brightest of which make the nebula shine by exciting its atoms to emit radiation.
Discovered by John Flamsteed about 1690. The nebula, however, was not even seen by William Herschel (who found the cluster)
Made whit canon 450D, 800 iso (12 x 10 minutes), 3 Dark Frames, 25 Flat and 25 Dark Flats.
Telescope used Skywatcher 80ED Pro (80/600).
Mount: NEQ6 Skyscan Pro.
IRIS and Photoshop CS2. |
| Submitted by: Andrea Curzi (Danziger) | Location: Monte Catria, Pergola (PU), Italy | Date: November 21 2009 |
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December 03 2009
Views: 1545
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