NGC6888 - Emission Nebula
in Cygnus
Emission Nebula in Cygnus - NGC6888
ST-10XME and CFW8a, Astrodon 6nm
H-Alpha
filter
Takahashi FSQ F/5 Fluorite Refractor w Robofocus
15 x 10 min self-guided on an AP900QMD mount
Acquired, Flats and Darks subtracted in
CCDSoft5
Alignment and Sigma Reject combine in Maxim
Levels and curves
in PS CS2
Minor sharpening via High Pass Filter CS2
Min filter (1 pixel) run on the stars
Noise Reduction via Reduce Noise in PS CS2 (Strength 9; Preserve
Details 25%; Sharpen Details 25%)
Click on the image to see it at 2x this size.
Flesherton, Ontario
August 13 2006
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