[SII] = Red, Halpha = Green, [OIII] = Blue
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Taken on September 5, 7-8, 2004 from my backyard in Castro Valley, California
Takahashi FSQ106 f/5 (F=530mm) imaging scope
Finger Lakes IMG6303E imaging camera at -35C
AP80/900MM guide scope
SBIG ST7E guide camera at -15C
Finger Lakes CFW1 filter wheel
AP900GTO mount
Finger Lakes DF2 Focuser
Custom Scientific 50mm Narrowband Emission Line filters (AR Coated)
Sulfur II 673.4nm 3nm FWHM
Hydrogen alpha 656.3nm 3nm FWHM
Oxygen III 500.7nm 3nm FWHM
6 exposures of 15 minutes through Halpha filter
17 exposures of 20 minutes through [OIII] filter
13 exposures of 20 minutes through [SII] filter
11.5 hours total exposure time