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Contains:  Helix nebula, NGC 7293
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NGC7293, the Helix - a childhood dream come true (drizzle 2x processing), 





    
        

            Gianni Cerrato
NGC7293, the Helix - a childhood dream come true (drizzle 2x processing)

NGC7293, the Helix - a childhood dream come true (drizzle 2x processing)

Technical card

Resolution: 1600x1065

Dates:Aug. 15, 2015

Frames:
15x340" ISO2500
15x240" ISO3200

Integration: 2.4 hours

Darks: ~9

Flats: ~15

Avg. Moon age: 0.80 days

Avg. Moon phase: 0.72%

Bortle Dark-Sky Scale: 1.00

Temperature: 7.00

Astrometry.net job: 736793

RA center: 337.438 degrees

DEC center: -20.820 degrees

Orientation: -143.922 degrees

Field radius: 0.425 degrees

Locations: Cugn di Goria - Colle di Sampeyre, Sampeyre, CN, Italy

Description


edit: added vers. C (soft processing version)

edit D: fixed color balance, and i think better antinoise/details proportions

edit: E: No new shots on Helix, still the same shots of 2015, but i've broken my ankle/fibula so i've time to lost :\ this is a total reprocessing using my new personal workflow that can mitigate noise :) hope you like it, i'll put a tutorial on my web site soon!

in memory and dedicated to Mario Monaco, stargazer and great Italian astroimager, Savona area, which was one of my examples during my childhood and adolescence, and he was a frequent visitor of the Cugn Goria, this plateau on the italian western Alps, that is almost an open-air sky theater, and where he photographed, those photos that for me will remain the masterpieces in film. I'm sorry that you have not had time to meet him in person

:(

please read here:

http://www.uai.it/pubblicazioni/uainews/1-uainews-archivio/7938-scomparso.html
http://uranialigustica.altervista.org/astrofili/persone/monaco.htm

Comments

Author

xamad
Gianni Cerrato
License: Attribution-NonCommercial-NoDerivs Creative Commons
7323
Like

Revisions

  • NGC7293, the Helix - a childhood dream come true (drizzle 2x processing), 





    
        

            Gianni Cerrato
    Original
  • NGC7293, the Helix - a childhood dream come true (drizzle 2x processing), 





    
        

            Gianni Cerrato
    B
  • NGC7293, the Helix - a childhood dream come true (drizzle 2x processing), 





    
        

            Gianni Cerrato
    C
  • NGC7293, the Helix - a childhood dream come true (drizzle 2x processing), 





    
        

            Gianni Cerrato
    D
  • Final
    NGC7293, the Helix - a childhood dream come true (drizzle 2x processing), 





    
        

            Gianni Cerrato
    E

Sky plot

Sky plot

Histogram

NGC7293, the Helix - a childhood dream come true (drizzle 2x processing), 





    
        

            Gianni Cerrato

In these public groups

Imagers of Italy
Cloudy Nights