1500 light-years from Earth, the Horsehead Nebula consists of dark dust
and gas stretching 2-3 lightyears across. The red nebula behind it is
IC434, consisting of hydrogen gas energized by a nearby star. The blue
nebula at the lower-left corner is NGC2023, and
just to the left of the image is Alnitak, the far-left star of
belt. North is to the left.
AstroTech AT8RC 8" F8 Ritchey-Chretien with ATFF2 Field Flattener,
Celestron CI-700 Mount
Orion StarShoot Pro V2 one-shot color
QHY5L-IIM through Orion Deluxe OAG, PHD guiding software
(12) 5 min and (6) 10 min
Nebulosity, PhotoShop CS2
12-26-14, Tierra del Sol, CA. Light wind, cresent moon, below average seeing.