Contains:Helix nebula, NGC 7293
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NGC 7293 (Helix Nebula), 




    

        Dean Carr
NGC 7293 (Helix Nebula)

NGC 7293 (Helix Nebula)

Technical card

Resolution: 2615x1793

Dates: Sept. 23, 2017

Frames:
Astronomik Ha 6nm 1.25": 12x900" -20C bin 1x1
Astronomik OIII 6nm 1.25": 10x1200" -20C bin 1x1
Astronomik OIII 6nm 1.25": 2x900" -20C bin 1x1
Astronomik SII 6nm 1.25": 9x1200" -20C bin 1x1
Astronomik SII 6nm 1.25": 2x900" -20C bin 1x1

Integration: 10.3 hours

Avg. Moon age: 3.21 days

Avg. Moon phase: 11.22%

Astrometry.net job: 2013174

RA center: 337.426 degrees

DEC center: -20.814 degrees

Pixel scale: 1.015 arcsec/pixel

Orientation: 0.035 degrees

Field radius: 0.447 degrees

Locations: Wiruna, Ilford, New South Wales, Australia

Description

NGC 7293 is a large planetary nebula spanning about 2.5 light-years, approximately 700 light years from Earth, and can be seen in the constellation Aquarius. It is known as the ‘Helix Nebula’ and sometimes as the ‘Eye of God’.

This image was processed in PixInsight using a bespoke palette (Red = Ha/SII blend, Green = OIII/Ha blend, Blue = OIII). The final image was cropped, then re-sampled by 120% for aesthetic reasons.

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Author

dean.carr
Dean Carr
License: None (All rights reserved)
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NGC 7293 (Helix Nebula), 




    

        Dean Carr