M27 - Dumbbell Nebula |
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Object Info |
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Object type: | Planetary Nebula | |
Size: | 5.8' x 5.8' | |
Magnitude: | 7.4 | |
Constellation: | Vulpecula | |
Distance: | 1200 Light Years | |
Exposure Info |
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Date: | 2010-08-28 through 08-31 | |
Location: | Pleasantville (NY) | |
Telescope: | Celestron 8 @ F/10 | |
Camera: | SBIG ST8XME | |
Binning: | Lum: 1x1, RGB 1x1 | |
Exposure time: | L: 70-min (6x10) R,G,B: 60 min (6x10) | |
Exposure time total: | 250 Minutes | |
Processing | CCD Stack, CS4 | |
Comment | There was not enough blue in the 60 min acquisition. Had to boos t the stars to reduce the yellow dominance. The result was much better for the red exposure (below 3") maybe due to a less aggressive guiding |