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

Object - IC 434 - Horse Head Nebula
Date - 27 Dec 2007
Location - Sao Paulo, SP - Brazil

Image - 155 min (19 x 300 Ha 8 x 150 sec R, G, B, each)
Telescope - Orion 80ED, f/7.5, ~600 mm
Camera - Starlight Xpress SX M-716 Filter - Astronomik RGB TYP II & Ha 13 nm.
Guider - Autoguided with 4 sec exposures
Mount - Orion Sirius EQ-G controlled with Boxdoerfer MTS-3SDI
Software - Acquired and combined with MaximDL, 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 regular.