| Object: Ic
5146, emission & reflection nebula in Cygnus. Telescopes: H-alpha: Astrograph 400 f/4 Newton. (3" 1.15x coma corrector up to 1850mm fl). Paramount ME. ASI 6200. Chroma Ha 5nm filter. Luminance & Color: Astrograph 250 f/4 Newton. Paramount ME. Atik 16200. Chroma LRGB filters. Exposures: L : 73 x 10' ( 12:10 ) H: 158 x 15' ( 39:30 ) R: 26 x 10' ( 4:20 ) G: 26 x 10' ( 4:20 ) B: 26 x 10' ( 4:20 ) TOTAL: 64:40 Resolution: 0.61"/pixel. FWHM after integration: L 2.8", Ha 2.1" Date: July - November 2020 Sites: H-alpha: Sagan Observatory Las Rozas (Spain) - mag 4.5 suburban skies - Luminance & Color: La Sagra Observatory Puebla de Don Fadrique (Spain) - mag 7 professional observatory skies - |
Processing: Bias, Darks & Flat calibration DBE Photometric Color Calibration Histogram & Curves adjustments Noise reduction: ACDNR Software: PixInSight |