| Object: Ngc 6822, galaxy in Sagittarius Telescope: Astrograph 250 f/4 Newton. Paramount ME. Artemis ccd ART4021. Baader RGB & H-alpha filters. Exposures: L : 98 x 10' (16:20 ) R: 18 x 10' ( 3:00 ) G: 18 x 10' ( 3:00 ) B: 18 x 10' ( 3:00 ) Ha: 54 x 15' (13:30 ) Resolution: 1.33"/pixel. Luminance FWHM after integration: 2.9" Date: August - October 2020 Site: La Sagra Observatory Puebla de Don Fadrique (Spain) - mag 7 professional observatory skies - |
Processing: Bias, Darks & Flats calibration Photometric Color Calibration Deconvolution Histogram & Curves adjustments Software: PixInSight |