Image orientation: North is on the left side.
Telescope: Newtonian 250mm @ f/4.8 on Losmandy G11 mount.
Camera: SBIG ST 2000 @ -15°C.
Exposure: LRGB with L = Hα, R = R + Hα. Hα - 16x600s, RGB - 9x600s / 6x600s / 8x600s. No binning. Total exposure time: 6h30m.
Location: Rhein-Main area, Germany.
Processing: MaximDL, Photoshop
Publication: interstellarum 69 [5/2010]