Ngc7000

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 @ f/4

Camera: ..... Sigma3200 with 13nm Astronomik Ha filter

Chip temperature: .... -15°C (regulated)

Exposure: ..... 11 x 420s Ha and 20x600s

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

Μια προσπάθεια με ένα παλαιό Zeiss φακό...