Third light of my new SXVF-H9 and True Tech filter well

Object - M42 - Great Orion Nebula
Date - 27 Dec 2007
Location - Sao Paulo, SP - Brazil

Image - 35 min (10 x 60 sec R, G, B + 10 x10 sec R, G, B, each)
Telescope - Orion 80ED, f/7.5, ~600 mm
Camera - Starlight Xpress SXVF-H9 Filter - Astronomik RGB TYP II
Guider - Orion ST80, f/5, 400 mm + SXV guider
Mount - Orion Sirius EQ-G controlled with Boxdoerfer MTS-3SDI
Software - Acquired and combined with MaximDL V 5 alpha, processed in PS CS3 zone system & Noel Carboni PS Tools

Photo took from inside Sao Paulo, SP - BR under mag 3 sky. Seeing conditions where mediocre.