The Horsehead Nebula (in Orion constellation)

© Stéphane Guisard "Los Cielos de Chile"

Image taken from Chile with a Takahashi TOA150 refractor (150mm diam at f/7.3), an astelco NTM500 mount and a SBIG ST11000M CCD camera + astrodon LRGB filters. Exposure times are L=2h50, R=3h10, G=2h50 and B=2h10.

The horsehead nebula region. The very bright star on the left is Alnitak :

Unbinned crop of the horsehead Nebula :

Unbinned crop of the 'flame' nebula :