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[SII], Ha, [OIII] = R G B
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Taken on July 6 & 8, 2004 from my backyard in Castro Valley, California
AP180EDT f/9 imaging scope used at F=1215 (f/6.75)
AP 0.75x photo/visual telecompressor
AP80/900mm guide scope
AP1200GTO mount
SBIG ST10XME imaging camera @-26C
FLI CFW1 Filter wheel
FLI DF2 Digital Focuser
ST7E guide camera @ -22C
Custom Scientific Narrowband Emission Line Filter
Sulfur II 673.4nm 3nm FWHM
Hydrogen alpha 656.3nm 3nm FWHM
Oxygen III 500.7nm 3nm FWHM
Six exposures of 600 seconds though [SII], Halpha and [OIII] filters
three hours total exposure