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North America Nebula |
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Click on photo for a larger image. |
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Instrument: |
Nikon 500mm f8 Catadioptric Lens |
Focal Ratio: |
f8 |
Camera: |
SBIG STL-11000 CCD camera |
Exposure: |
11 x 5 minutes Luminance, 4 x 5 minutes each R/G/B, all unbinned |
Guiding: |
Meade 7" Refractor with STV Autoguider (Santa Barbara Instrument Group) |
Date: |
7/23/04 |
Post Processing: |
CCDSoft, CCDSharp, MaxIM DL, Photoshop CS |