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Messier 106

(click on the image for 4K resolution)

            


 
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.   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:
Bias, Darks & Flat calibration
DBE
Photometric Color Calibration
Deconvolution
Histogram & Curves adjustments
Noise reduction: ACDNR

Software:
PixInSight