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Ebenwaldhöhe, 8. January 2008, 21:00
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The Rosette Nebula is a large, circular 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 is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter. |
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The h-alpha channel was used as luminance. SII was assigned to red, h-alpha to green and OIII blue.
H-Alpha was taken during excelent seeing conditions. |
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| | Instrument: | Pentax 75 SDHF | | | Camera: | Atik 16HR | | | Mount: | Vixen GP-DX | | | Exposure: | 5 hours (10x10min for each H-Alpha, O3, S2 using astronomik filters) | | | Conditions: | Mag 6 sky | | | Image Processing: | Iris, Photoshop, Fitswork |
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