Object: .....M31-Andromeda Galaxy with its satellite galaxies M32 and M110
Date: ..... 08.11.2009
Mount: ..... Losmandy G11 on Berlebach Uni-4c
Optics: ..... SV105, 105mm Triplet Apochromatic Refractor Telescope @ f5.6 (with WO 0.8x reducer)
Filters: ..... Baader UHC-S
Camera: ..... QHY8, prime focus, TEC on, Gain: 60, Offset: 106
Air temperature: .... 17°C
Exposure: ..... 9x180s+20x220s+1x240s (with EZCAP)
Binning: 1x1
Processing: ..... Stacking (Lights, Darks, Flats, Bias), Noise reduction, DDP, Histogram adjustment, colour balance, all with Images Plus 3.8
Guiding: ..... Autoguiding with Skywatcher ED 80/600, Meade DSI Pro and GPUSB/PHD
Comments: good seeing and poor transparency
091108-m31-andromeda-galaxy
357 KB16051522
