Click on image to enlarge
Red = [SII], Green = Ha, Blue = [OIII]
Taken June 28 and July 4, 2004 from my backyard in Castro Valley, Ca.
C14 imaging scope @4430mm focal length (f/12.46) with Camera Rotator and stabilized with mirror locks
FLI IMG1024S imaging camera @ -35C (June 28) and -30C (July 4)
SBIG AO7 Adaptive Optics System
SBIG ST10XME Guide/AO control camera @-25C
RCOS Dichroic Beam Splitter for AO7/IMG compatibility
AP900GTO mount
Optec TCF-S robotic focuser
FLI CFW 1 filter wheel
Custom Scientific Narrowband Emission Line Filter
Sulfur II 673.4nm 3nm FWHM
Hydrogen alpha 656.3nm 3nm FWHM
Oxygen III 500.7nm 3nm FWHM
Exposure details:
4 exposures of 30 minutes each through each filter
6 hours total exposure time
Maxim DL used for IMG1024S control
CCDSOFT 5.00.71 used for AO7/ST10XME control
Sigma prebeta 11 used for darks, flats,and biases and image combine
SGBNR used for light smoothing
Photoshop CS used for final touch up