110314_ngc2903_spiral-galaxy.jpg
Object: ..... NGC2903 - Spiral Galaxy - Luminance only
Date: ..... 14.03.2011
Mount: ..... Losmandy G11 on Berlebach Uni-4c
Optics: ..... Skywatcher MN190, 190mm f5.3 Maksutov-Newton Telescope
Filters: ..... TS IR/UV cut
Camera: ..... Sigma3200 with SX USB 2" Filter wheel
Chip temperature: .... -20°C regulated
Exposure: ..... Lum 20x60s
Binning: 1x1
Processing: ..... Stacking (Lights, Darks, Bias, Flats), Noise Reduction, DDP, sharpening, all with Imagesplus 3.8 and Astroart 4.0
Guiding: ..... Autoguiding with TS 9mm OAG, Meade DSI Pro and GPUSB/PHD
Comments: poor seeing, medium transparency, Moon at 50%
110314_ngc2903_spiral-galaxy
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