Celestial hemisphere:  Southern  ·  Constellation: Aquarius (Aqr)  ·  Contains:  Helix nebula  ·  NGC 7293
NGC 7293 - Helix Nebula, 



    
        

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

NGC 7293 - Helix Nebula, 



    
        

            Riccardo A. Ballerini
NGC 7293 - Helix Nebula
Powered byPixInsight

NGC 7293 - Helix Nebula

Acquisition details

Dates:
Sept. 11, 2015
Frames:
Baader Planetarium H-alpha 7nm (36mm): 6×600(1h) bin 1×1
Baader Planetarium OIII 8nm 36mm: 12×600(2h) bin 1×1
Baader Planetarium SII 8.5nm 36mm: 10×600(1h 40′) -15°C bin 1×1
Integration:
4h 40′
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: 22h29m38s.4

DEC center: -20°5016

Pixel scale: 2.219 arcsec/pixel

Orientation: -4.338 degrees

Field radius: 0.848 degrees

Resolution: 2199x1653

File size: 683.7 KB

Description

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

Comments

Sky plot

Sky plot

Histogram

NGC 7293 - Helix Nebula, 



    
        

            Riccardo A. Ballerini