Uploaded 15-Sep-10
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Dimensions2400 x 1800
Original file size2.39 MB
Image typeJPEG
Color spacesRGB
Date modified15-Sep-10 20:02
M27 (NGC 6853) - The Dumbbell Nebula (Cropped)
Date Taken: 8/29/2010
Scope: Astro-Atech 8" RC w. At2FF Flattener (f/8, 1624mm)
Camera: QSI 583wsg with Astrodon Tru-Balance E-Series Gen2 filters
Temp: -15C
Mount: Losmandy G-11 Gemini
Guiding: Lodestar, off-axis
Exposure: LRGB 120:60:60:60 (L) 15x8m, binned 1x1. RGB each 15x4m, binned 2x2
20 flats, 20 darks, 20 bias
Calibration, Stacking, and initial DDP Stretch with Maxim DL; Final processing with CS4.
This was taken on a fairly clear night but with a very bright moon, 5 days past full.
Scope: Astro-Atech 8" RC w. At2FF Flattener (f/8, 1624mm)
Camera: QSI 583wsg with Astrodon Tru-Balance E-Series Gen2 filters
Temp: -15C
Mount: Losmandy G-11 Gemini
Guiding: Lodestar, off-axis
Exposure: LRGB 120:60:60:60 (L) 15x8m, binned 1x1. RGB each 15x4m, binned 2x2
20 flats, 20 darks, 20 bias
Calibration, Stacking, and initial DDP Stretch with Maxim DL; Final processing with CS4.
This was taken on a fairly clear night but with a very bright moon, 5 days past full.
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© John Sokol