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Uploaded 11-Dec-11
Taken 11-Dec-11
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Dimensions859 x 659
Original file size736 KB
Image typeJPEG
Color spaceUncalibrated
The Crescent Nebula

The Crescent Nebula

NGC 6888
Date: December 2, 2011
Constellation: Cygnus
Location: Dominion Astrophysical Observatory, Victoria, BC
Optics: TeleVue NP-127is used at f/5.2 with Baader Planetarium Narrowband 7nm H-Alpha filter
Mount: Paramount ME, guided using PhD
Camera: Hutech modified Canon EOS 5D Mark II
Exposure: 10 light frames of 300 seconds, ISO 1600
Processing: Light frames calibrated with dark and flat frames in ImagesPlus. Light frames normalized and combined using Average. Image cropped.