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Contains:  Helix nebula, NGC 7293
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Helix nebula (only OIII) NGC7293, 





    
        

            PepeLopez
Helix nebula (only OIII) NGC7293

Helix nebula (only OIII) NGC7293

Technical card

Resolution: 2800x2100

Dates:Nov. 17, 2017

Frames: 24x600"

Integration: 4.0 hours

Avg. Moon age: 28.62 days

Avg. Moon phase: 0.93%

Astrometry.net job: 1906120

RA center: 337.415 degrees

DEC center: -20.836 degrees

Pixel scale: 0.926 arcsec/pixel

Orientation: 97.242 degrees

Field radius: 0.450 degrees

Locations: El Estepar, Alcoy, Alicante, Spain

Description

I thought it better to separate the image in OIII from this nebula, because it reveals very well the radial structure produced by the expanding gases.

Comments

Author

PepeLopez
PepeLopez
License: None (All rights reserved)
340
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Helix nebula (only OIII) NGC7293, 





    
        

            PepeLopez