IC 434 and Horsehead Nebula (B33) region    (image is reduced-size | other sizes:  medium , original)

Distance:  1,500 light years

Telescope Takahashi TOA-130F @ f/7.7
Mount Takahashi EM200 Temma II
Camera QSI 690wsg @ -15C    Night of First Light!!!
Filters Astrodon Tru-Balance I-Series LRGB Gen 2
Guider SX Lodestar
Settings 15x5min L (bin1x1); 3x5min ea RGB (bin2x2); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias)

12,15 December 2017 - Las Cruces, NM

This image is LRGB and was imaged over 2 nights. I purposely left out narrowband H-alpha (Ha) for this session as Ha will wash out the blue reflection region to the lower left, and I wanted to preserve more of the inner details without blending.

Copyright  Jeffrey O. Johnson

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