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ic 239
(click on the image for the highest resolution)
            


 
Object:             IC 239, face-on spiral galaxy in Andromeda
Telescope:      
Astrograph 400 f/4 Newton  (APM 1.5x multiplier/corrector up to 2440mm fl). Paramount ME.
Camera:           Artemis ART4021.   Astronomik LRGB filters.
Exposures:       L :  150 x 10'    (25:00 ) 
                         R:    14 x 10'    (  2:20 ) 
                         G:    14 x 10'    (  2:20 ) 
                         B:    14 x 10'    (  2:20 ) 
Resolution:       0.42"/pixel  (drizzle resampled)
Guiding:            Moravian G0 on Off-Axis Guider
Date:                 December 2017 - December  2018
Site:                  Sagan Observatory  Las Rozas  (Spain)     - mag 4.5 suburban skies -
Processing:
Bias, Darks & Flat calibration
Drizzle integration
DBE
Deconvolution
Histogram & Curves adjustments
HDRMT
LocalHistogramEqualitation
MultiscaleLinearTransform
LRGB combining
Noise reduction: ACDNR

Software:
PixInSight