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Cresent Nebula - NGC6888 (CFHT Palette - CFHT = Canadian/French/Hawaiian Telescope)
Cresent Nebula
CLICK THE IMAGE FOR LARGER IMAGE
Date: August 2010
FULL RESOLUTION
SOAP Bubble NEBULA - look for the white box

 

Apogee Alta U8300
Astrodon Narrowband (5nm SII, 5nm Ha, and 3nm OIII) filters
Takahashi FSQ-106n
Astro-Physics AP900GTO cp2 mount

Filter Data:
Ha = 200 minutes of exposure data
SII = 200 minutes of exposure data
OIII = 240 minutes of exposre data
1200 second sub-exposures autoguided by ST-402 with Astrodon MonsterMOAG

Total exposure time over 10 hours

Processing: Maxim DL and Photoshop CS3.