object: widefield of the south part of Orion with Horshead, Flamenebula & Great Orionnebula description: Emissionsnebula date: 2004-01-05 / 2003-12-18 /2003-10-19 optic: SIGMA 180/3.5 for widefield & Takahashi FS78 @ f/6 for M42 & Horsehead exposure: h-alpha 3nm (CS) 18x600s (widefield) 13x600s (horshead) & 8x600s (Great Orionnebula) camera: ST-10xme @ 1bin resolution 1530x1020 (290kB)