Barnard 33 the Horsehead nebula
12/17, 12/18 and 12/22, 2011 and 1/2, 1/3 2012
Emission, reflection and dark nebula ~1,344 light years from Earth located in the Orion constellation.
Ocala, FL
RGB data: combination of 2 minute and 4 minute exposure stacked in DSS for a total of 5 hours and 2 min
PS CS5
RegiStar
Orion 80mm EON
Orion 50mm guide scope with SSAG
Canon T1i
Losmandy G-11 with Gemini II
You're so lucky to live near a dark site. I live in Hong Kong and the light pollution is another level. I managed a similar shot to yours but only got enough data in Ha using narrowband. It was impossible to get enough OII or SIII.
You can check out what I managed on my profile.