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Uploaded 17-Jul-10
Taken 17-Jul-10
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Dimensions680 x 900
Original file size271 KB
Image typeJPEG
Color spaceUncalibrated
Cygnus

Cygnus

Just a little more stacking practice, this time shooting piggyback wide-field in Cygnus.

Camera: Canon Digital Rebel XTi stock lens set at 22mm f/3.5
Platform: B&L Criterion 4000 SCT on homebuilt EQ wedge w/ B&L analog drive corrector.
Exposure: 6x2min lights + 2x3min lights + 3 darks.
Processing: contrast stretch, colour balance, sharpening via Deep Sky Stacker, Irfanview, PhotoShop 6.