Nebular complex close to the star Alnitak in the constellation of Orion in which the most famous are the dark nebula "Horsehead" (B33), the red nebula behind it (IC434) and the "Flame" nebula (NGC2024). Apochromatic refractor Takahashi FSQ106EDXIII @ f/5 and ccd camera Sbig Stl11k, Losmandy G11 mount, Orion SSAG on Orion ST 80/400. Filters; Astronomik Cls Ccd, Astronomik DeepSky RGB and Astrodon Ha 6nm. LHRGB processing 360:420:80:80:80. Software MaximDL 5, PixInsight 1.8, PS CS5. Location Casole d'Elsa, Siena, Italy