Object: ..... NGC6543 - Cats Eye Nebula - Narrowband false colour image
Date: ..... 29.04.2011
Mount: ..... Losmandy G11 on Berlebach Uni-4c
Optics: ..... Celestron C11, 280mm Schmidt Cassegrain Telescope @ f6.3 (with Antares 0.63x reducer)
Filters: ..... Baader 7nm Ha and 8nm OIII
Camera: ..... Starlight Express SXV-H9
Air temperature: .... 15°C
Exposure: ..... Ha: 12x600s, OIII: 10x600s
Binning: 2x2
Processing: ..... Stacking (Lights, Flats, Bias), Noise Reduction, DDP, sharpening, Colour combine (R,G,B=Ha,OIII,OIII) with Imagesplus 3.8
Guiding: ..... Autoguiding with SX-AO unit + OAG, SXV-Exview Guider and Astroart4.0 CCD plugin
Comments: good seeing, medium transparency, no Moon
110429_ngc6543_cats-eye-nebula
78 KB473341
