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68.7' x 41.6'
2.4 Million light years
Hyperion 12.5" Astrograph
ST-402 - OAG
Luminance: 7 x 15-min frames, Bin 1x1
Color: 7 x 15-min frames each R, G, B
Acquisition with CCD Commander & MaxIm DL
Calibration with CCD Stack
Processing with Adobe CS4
Color frames taken with 1st quarter moon
Seeing was ok but the moon caused loss of contrast, and gradients
Guiding was ok for dec (.7 rms error) but a little worse in ra (0.9 rms error).
The image above is at 1/16th scale (~1k x 1k)