Veil Nebula widefield in Ha, [OIII], and [SII]

click on image to enlarge

Taken on October 10, 2003 from my backyard in Castro Valley, Ca.

Astro-Physics Traveler f/6 with Astro-Physics 0.75X Telecompressor (F=457.5mm total, f/4.5)

Finger Lakes Instrumentation IMG1024S "Dream Machine"  Imaging Camera at -40deg C. 

Astro-Physics 80mm guidescope

SBIG ST7E guide camera

Astro-Physics AP1200GTO mount

Finger Lakes Instrumentation DF2 Digital Focuser

Finger Lakes Instrumentation CFW1 Filter Wheel

Custom Scientific Narrowband Emission Line Filters

   [Sulfur II]                     672.4nm  3nm FWHM

   Hydrogen alpha        656.3nm  3nm FWHM

   [Oxygen III]                 500.7nm  3nm FWHM

four exposures of five minutes each through each filter

Total exposure = one hour

Maxim 3.20 used for image capture

Sigma pre-beta 11 used for darks, biases, flats, combines

Photoshop 7 used for final adjustments

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