NGC7635 Bubble Nebula in Hydrogen Alpha Light (Taken with IMG1024S/AO7 combo)

click on image to enlarge

Taken August 15, 2003 from my backyard in Castro Valley, Ca.

C14 imaging scope @3910mm focal length (f/11) stabilized with mirror locks

FLI IMG1024S imaging camera @ -34C

SBIG AO7 Adaptive Optics System

SBIG ST7E Guide/AO control camera @-20C

RCOS Dichroic Beam Splitter for AO7/IMG compatibility

FLI CFW 1 filter wheel

Schuler 9nm FWHM Hydrogen Alpha filter

13 exposures of 10 minutes

Maxim DL used for IMG1024S control

CCDSOFT 5.00.71 used for AO7/ST7E control

Sigma beta 10 used for darks

Photoshop 7.0 used for final touch up

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