M82 in Ha, [OIII], and [SII] light

Click on image to enlarge

Halpha = Red, [OIII] = Green,  [SII] = Blue

Taken December 27, 2003 from my backyard in Castro Valley, Ca.

C14 imaging scope @4430mm focal length (f/12.46) stabilized with mirror locks

FLI IMG1024S imaging camera @ -40C

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

Custom Scientific Narrowband Emission Line Filter

   [Sulfur II]                      672.4nm  3nm FWHM

   Hydrogen alpha        656.3nm  3nm FWHM 

   [Oxygen III]                 500.7nm  3nm FWHM

Exposure details:

3 exposures of 15 minutes for [SII], [OIII], Halpha

Maxim DL used for IMG1024S control

CCDSOFT 5.00.71 used for AO7/ST7E control

Sigma prebeta 11 used for darks, flats, biases and light combine

Photoshop CS used for final touch up

 

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