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Leo triplet galaxy group

(click on the image for 4K resolution)


Object:             M65, M66, ngc3628 & ngc3593 galaxy group in Leo.
Telescope:       Sky-Watcher Esprit 80 triplet Apo & flattener (f/5 - 400mm).
Camera:           DSLR Canon 6D. Original IR filter replaced (Astrodon Inside).
Exposures:       95 x 15'  (23:45 h)
Mount:              Sky-Watcher AZ-EQ5          
Guiding:            Moravian G1-2000 ccd, 50mm finder.
Date:                 February - May 2020  
Site:                  Observatorio de La Sagra  Granada (Spain) 
Bias, Darks & Flat calibration
LinearFit  pixel rejection combining
Photometric Color Calibration
Histogram stretch

Curves and Histogram adjustments