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Contains:  Helix nebula, NGC 7293
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NGC 7293 - Helix Nebula, 



    
        

            Riccardo A. Balle...
NGC 7293 - Helix Nebula
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NGC 7293 - Helix Nebula

Technical card


Dates:Sept. 11, 2015

Frames:
Baader Planetarium H-alpha 7nm (36mm): 6x600" bin 1x1
Baader Planetarium OIII 8nm 36mm: 12x600" bin 1x1
Baader Planetarium SII 8.5nm 36mm: 10x600" -15C bin 1x1

Integration: 4.7 hours

Avg. Moon age: 27.93 days

Avg. Moon phase: 2.89%

Bortle Dark-Sky Scale: 3.00


Basic astrometry details

Astrometry.net job: 791529

RA center: 22h 29' 38"

DEC center: -20° 50' 16"

Pixel scale: 2.219 arcsec/pixel

Orientation: -4.338 degrees

Field radius: 0.848 degrees


Resolution: 2199x1653

Description

In order to achieve a better color I experimented adding the Hubble palette version to a Syn Green version.

Comments

Author

RiccardoBallerini
Riccardo A. Balle...
License: None (All rights reserved)
2171
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NGC 7293 - Helix Nebula, 



    
        

            Riccardo A. Balle...