M 27, Dumbbell Nebula

M 27, Dumbbell Nebula

© Griffin, HapCamera: QSI 583wsg
Filters: Astrodon E Series Generation 2 LRGB
CCD Temperature: -10 C
Instrument: Planewave CDK 12.5″
Focal Ratio: f8
Mount: AP-1200
Guiding: Auto via the QSI camera’s built in Off-Axis Guider mirror and an SBIG ST-402 Guider
Conditions: Clear for a SC summer night
Weather: 70 F, still
Exposure: 310 minutes total (16 x 10 min Luminance, 5 x 10 min each in RGB) Capture: CCDAutopilot 4 w Maxim DL Camera Control, focused automatically w FocusMax
Processing: Frame calibrations, alignment and stacking with ImagesPlus v3.80. Finishing in Photoshop CS4.

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