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Dan Posey
Uploaded
26-Aug-21
Taken
26-Aug-21
Visitors
48
63
of
252
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Photo Info
Dimensions
5705 x 4704
Original file size
18.6 MB
Image type
JPEG
Color space
sRGB
Swan Nebula (M18)
20x8m Oiii, 27x8m Ha, 28x8m Sii for a total of 10 hours of exposure shot with an SBIG 8300m at -10, and an Askar FRA600 at f3.85 using a CGE Pro from a downtown balcony.
Calibrated with Bias, Dark and Flat frames.
Dan Posey