Object: ..... M57-Ring Nebula in Lyra
Date: ..... 10.05.2009
Mount: ..... Vixen Sphinx SXD on HAL130
Optics: ..... Meade 250mm Schmidt-Cassegrain Telescope @ f6.3 (with Antares 0.63x reducer)
Filters: ..... Astrodon RGB (E-series)
Camera: ..... Sigma402 with Atik EFW
Chip temperature: .... -10°C (regulated)
Exposure: ..... R-G-B: 5-5-5 x120s
Binning: always 1x1
Processing: ..... Stacking (Lights, Darks, Bias), DDP, Color Balance, Noise Reduction, Deconvolution., all with Astroart 4.0
Guiding: ..... Autoguiding with modified 8x50 finder scope, Meade DSI Pro and GPUSB/PHD
090510_m57_ring-nebula
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