Object: Ngc 5981, 5982
& 5985, galaxies in Draco 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 : 288 x 6' ( 28:48 ) R: 48 x 5' ( 4:00 ) G: 48 x 5' ( 4:00 ) B: 48 x 5' ( 4:00 ) Resolution: 0.66"/pixel. L FWHM after integration: 2.5" Date: March - 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: Bias, Darks & Flat calibration DBE Photometric Color Calibration Deconvolution Histogram & Curves adjustments Noise reduction: ACDNR Software: PixInSight |