Object: ..... NGC7000, the North America Nebula in Hydrogen alpha
Date: ..... 10.+14.07.2010
Mount: ..... Losmandy G11 on Berlebach Uni-4c
Optics: ..... Carl Zeiss Jena Sonnar 4/300 Telephoto Lens @ f/4
Filters: ..... Astronomik 12nm Ha CCD
Camera: ..... Sigma3200
Chip temperature: .... -15°C (regulated)
Exposure: ..... 11 x 420s Ha and 20x600s Ha
Binning: 1x1
Processing: ..... Stacking (Lights, Bias, darks), Noise Reduction, Histogram adjustement, blooming removal, deconvolution, all with Astroart 4.0 and IP 3.8
Guiding: ..... Autoguiding with SW 70/500, Meade DSI Pro and GPUSB/PHD
Comments: good seeing and medium transparency
100714_northamerica-nebula
1246 KB12801899
