Object: ..... Rosetta nebula, narrowband false colour
Date: ..... 03.02.2010
Mount: ..... Losmandy G11 on Berlebach Uni-4c
Optics: ..... Vixen R200SS, 200mm f4 Newtonian Telescope with Baader MPCC
Filters: ..... Astronomik 12nm Ha /OIII/SII CCD
Camera: ..... Sigma3200 with Atik EFW
Chip temperature: .... -20°C (regulated)
Exposure: ..... Ha/OIII: 22/12 x120s
Binning: always 1x1
Processing: ..... Stacking (Lights, Darks, Flats, Bias), Noise Reduction, RGB Synthesis(L/R/G/B=Ha/Ha/OIII/OIII), Histogram adjustement, with Astroart 4.0 and IP 3.8
Guiding: ..... Autoguiding with modified 8x50 finder scope, Meade DSI Pro and GPUSB/PHD
Comments: medium seeing and medium transparency
100203_rosetta-nebula
454 KB1024690
