Object: ..... M8, the Lagoon Nebula in false colour Date: ..... 12.06.2010 Mount: ..... Losmandy G11 on Berlebach Uni-4c Optics: ..... SV105 (105/735) Triplet APO with WO 0.8x reducer Camera: ..... Sigma3200 with SX USB Filter wheel and 13nm Astronomik Ha and O3 filters Chip temperature: .... -15°C (regulated) Exposure: ..... 11 x 300s Ha and 13 x 360s O3 Binning: 1x1 Processing: ..... Stacking (Lights, Darks, Flats, Bias), Noise Reduction, Histogram adjustement, blooming removal, deconvolution, colour synthesis (R-G-B=Ha-O3-O3), all with Astroart 4.0 and IP 3.8 Guiding: ..... Autoguiding with SW 70/500, Meade DSI Pro and GPUSB/PHD Comments: good seeing and medium transparency