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Object Information
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Name: |
NGC 2237-9 (The Rosette Nebula) & Star Cluster NGC 2244 |
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Type: |
Nebula & Star Cluster |
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Description: |
Resembling a Rose the Rosetta Nebula is a vast dust and
gas cloud. At its center is an open star cluster NGC 2246. This star cluster
is said to have formed from the dust and gas in the nebula. |
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Magnitude: |
30 |
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Size: |
80 x 80 arcminute |
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References: |
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| Location
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Hemisphere: |
Northern |
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Location: |
Latitude 44.841N by Longitude -122.869W |
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Elevation: |
90 Meters |
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Date: |
February 21, 2009 |
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Time Zone: |
-8 (Pacific Standard Time) |
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Time: |
12:54am to 1:38am |
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Light Pollution: |
Class 4.5 on the Bortle scale (Rural/Suburban transition) |
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Equipment
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Imager: |
Nikon D300 |
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OTA: |
Orion 120mm f5 Achromat (Air Spaced Doublet) |
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Mount: |
Hypertuned Orion Atlas EQ-G |
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Guiding: |
Philips Webcam and Nikkor 180mm Lens |
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Imaging
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Camera: |
Nikon D300 |
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NR: |
OFF (Mode 1) |
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Quality: |
Lossless RAW (14-bit) |
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Size: |
4288 x 2848 |
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ISO: |
400 |
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Exposure: |
601 seconds |
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White Balance: |
Direct sunlight, 0, 0 |
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Color
Space: |
sRGB |
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Exp Comp: |
0EV |
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Metering: |
Spot |
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Filter: |
Celestron Broadband Light Pollution |
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Scale: |
1.89 arcseconds per pixel |
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FOV: |
135 x 91 arcminutes |
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Cropped FOV: |
79 x 87 arcminutes |
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Camera Control: |
Camera Control Pro 2.0 |
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Light
Fames: |
5 |
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Darks: |
none |
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Flats: |
none |
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Total Exposure: |
50 minutes |
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Image Processing
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Stacking: |
DeepSkyStacker V 3.2.2 |
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Enhancement: |
PhotoShop CS3, Noiseware Professional, Astronomy Tools PS CS2 V1_5 |
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Notes
My first pictures of the Rosetta Nebula that have turned out to be much
better than I would have expected with an doublet achromat, Nikon DSLR in
mode 1, and lots of light pollution.
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| Astrometry
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