This very interesting area of dark, emission and reflection nebulae is clustered around the bright star Alnitak in Orions belt.
B33, the Horsehead Nebula, is the dark nebula directly in front of the central red emission nebula IC434.
Below and to the left of IC434 lies NGC2024 the Flame Nebula.
The bright blue reflection nebula NGC2023 lies just below the Horsehead.

Orion ED80 and WO StageII 0.8 FF/FR
Celestron CGE mount
Hap modified 350XT with Baader UHC-S and IR/UV cut filter
Exposure 12/29/07 20x300 second 800 iso subs ST-4 guided
1/3/08 43x180 second 1600 iso subs unguided
Hillsborough NJ, Bortle 7 skies