Uploaded 18-Oct-10
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Dimensions3200 x 2400
Original file size3.86 MB
Image typeJPEG
Color spacesRGB
Date modified15-Oct-10 21:23
IC5146 - The Cocoon Nebula
Date Taken: 9/14/2010, 10/8/2010
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 140:130:130:130 (L) 14x10m, binned 1x1. RGB each 26x5m, binned 2x2
20 flats, 20 darks, 20 bias
Calibration, Stacking, and initial DDP Stretch with Maxim DL; Final processing with CS4.
The first night had a heavy dew that left me with a very noisy background. I ended up using the colors from the first night and colors and luminance from the second night to get this shot.
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 140:130:130:130 (L) 14x10m, binned 1x1. RGB each 26x5m, binned 2x2
20 flats, 20 darks, 20 bias
Calibration, Stacking, and initial DDP Stretch with Maxim DL; Final processing with CS4.
The first night had a heavy dew that left me with a very noisy background. I ended up using the colors from the first night and colors and luminance from the second night to get this shot.
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© John Sokol