Object: ..... M1-Crab Nebula, False Colour- Hubble Palette
Date: ..... 13.12.2009
Mount: ..... Losmandy G11 on Berlebach Uni-4c
Optics: ..... Meade 250mm Schmidt-Cassegrain Telescope @ f6.3 (with Antares 0.63x reducer)
Filters: ..... Astronomik 12nm Ha /OIII/SII CCD
Camera: ..... Sigma402 with Atik EFW
Chip temperature: .... -20°C (regulated)
Exposure: ..... Ha-OIII-SII: 15-10-10 x180s
Binning: always 1x1
Processing: ..... Stacking (Lights, Darks, Bias), Noise Reduction, RGB Synthesis(R/G/B=SII/Ha/OIII), Histogram adjustement, with Astroart 4.0 an IP 3.5
Guiding: ..... Autoguiding with modified 8x50 finder scope, Meade DSI Pro and GPUSB/PHD
091213_m1_crab-nebula_hubble
154 KB533447
