091011_ngc7635_bubble-nebula_hoo.jpg
Object: ..... NGC6822 (Bubble-Nebula) narrow band false colour
Date: ..... 11.10.2009
Mount: ..... Losmandy G11 on Berlebach Uni-4c
Optics: ..... SV105, 105mm f7 Triplet Apochromatic Refractor Telescope
Filters: ..... Astronomik 12nm Ha/OIII CCD
Camera: ..... Sigma 402, prime focus
Chip temperature: .... -12°C (regulated)
Exposure: ..... Ha: 10x300s, OIII: 8x300s (with ScPro Camera Control)
Binning: always 1x1
Processing: ..... Stacking (Lights, Darks, Bias), Median Filter, Deconvolution, Histogram adjustment, LRGB Synthesis, (L/R/G/B=Ha/Ha/OIII/OIII), all with Astroart 4.0
Guiding: ..... Autoguiding with Skywatcher ED 80/600, Meade DSI Pro and GPUSB/PHD
091011_ngc7635_bubble-nebula_hoo
218 KB747492