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Ngc 7293 - Helix nebula

(click on the image for larger resolution)
            


 
Object:             Ngc 7293,  the Helix planetary nebula in Aquarius.
Telescope:       
Astrograph  250 f/4 Newton.  Paramount ME.  Artemis ccd ART4021.  Baader RGB, H-alpha & Oiii filters.
Exposures:        Ha :  105 x 15'   (26:15 ) 
                          Oiii:    60 x 15'  ( 15:00 ) 
                          R:      36 x 10'  (  6:00 ) 
                          G:      36 x 10'  (  6:00 )   
                          B:      36 x 10'  (  6:00 ) 
                            Total:   59:15 hours

Resolution:       1.1"/pixel.   Halpha  FWHM after integration: 3.2" 
Date:                 July 2020 - January  2021
Site:                 
La Sagra Observatory  Puebla de Don Fadrique (Spain)    - mag 7 professional observatory skies -
Processing:
Bias, Darks & Flats calibration
Photometric Color Calibration
Deconvolution
Histogram stretching
HDRMT Dynamic range transformation
Saturation & Curves adjustments


Software:
PixInSight