| Object: M106
& ngc4217, galaxies in Canes Venatici Telescopes: Luminance: Astrograph 400 f/4 Newton. (3" 1.15x coma corrector up to 1850mm fl). Paramount ME. Atik 16200. Astronomik L filter. Color: Astrograph 250 f/4 Newton. Paramount ME. Artemis ccd ART4021. Baader RGB filters. Exposures: L : 178 x 6' ( 17:48 ) R: 36 x 5' ( 3:00 ) G: 36 x 5' ( 3:00 ) B: 36 x 5' ( 3:00 ) Resolution: 0.66"/pixel. L FWHM after integration: 2.7" Date: May - June 2020 Sites: Luminance: Sagan Observatory Las Rozas (Spain) - mag 4.5 suburban skies - Color: La Sagra Observatory Puebla de Don Fadrique (Spain) - mag 7 professional observatory skies - |
Processing (PixInSight): Bias, Darks & Flat calibration DBE Photometric Color Calibration Deconvolution Histogram & Curves adjustments Noise reduction: ACDNR |