NGC6888 - Emission Nebula in Cygnus

ngc6888
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 in PS CS2
Minor sharpening via High Pass Filter CS2
Noise Reduction via Reduce Noise in PS CS2 (Strength 9; Preserve Details 25%; Sharpen Details 25%) on the background only

Click on the image to see it at 2x this size.

Flesherton, Ontario
October 8 2006

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