Horse Head nebula (B33)

B 33 (HorseHead Nebula (15x15min) (60)

Horse Head nebula (B33)

A dark nebula in front of bright reddish Hydrogen gas being ionized by the near by star Sigma Orionis.

The region of the Orion Nebula containing the Horse Head is a stellar nurse 1500 ly distance.

NGC 2023  is the bright nebulosity. (bottom left)

Telescope.  16 inch F4.5 Newtonian.

Camera.  S Big ST4000 XCM OSC CCD.

Exposure & Time.  15 x 900 sec .   Dec 2012

Location.  (Wiruna) Ilford N.S.W.