Object: .....NGC869 and NGC884 (Double-Cluster in Persei)
Date: ..... 17.11.2009
Mount: ..... Losmandy G11 on Berlebach Uni-4c
Optics: ..... SV105, 105mm Triplet Apochromatic Refractor Telescope @ f5.6 (with WO 0.8x reducer)
Filters: ..... IDAS LPS-2
Camera: ..... QHY8, prime focus, TEC on, Gain: 0, Offset: 140
Air temperature: .... 17°C
Exposure: ..... 20x60s (with Nebulosity)
Binning: 1x1
Processing: ..... Stacking (Lights, Darks, Flats, Bias), Histogram adjustment, all with Images Plus 3.5
Guiding: ..... Autoguiding with Skywatcher ED 80/600, Meade DSI Pro and GPUSB/PHD
091117_double-cluster
903 KB17481152
