Flame and Horsehead Nebula in Ha + RGB

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Ha+RGB

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Ha only

Taken on October 3, 2003 at Fremont Peak State Park near San Juan Bautitista, Ca.

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

SBIG ST10XME Imaging Camera at -18deg C. Unguided

Astro-Physics AP900GTO mount

Finger Lakes Instrumentation DF2 Digital Focuser

Finger Lakes Instrumentation CFW1 Filter Wheel

30 exposures of one minute through Schuler Hydrogen Alpha filter (9nm FWHM) (30 minutes Ha)

30 exposures of 20 seconds through Optec IR-Blocking LRGB filters (10 minutes Red, 10 minutes Green, 10 minutes Blue)

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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