Celestial hemisphere:  Southern  ·  Constellation: Aquarius (Aqr)  ·  Contains:  Helix Nebula  ·  NGC 7293
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Helix Nebula in narrowband HSO, 



    
        

            robonrome
Helix Nebula in narrowband HSO
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Helix Nebula in narrowband HSO

Getting plate-solving status, please wait...
Helix Nebula in narrowband HSO, 



    
        

            robonrome
Helix Nebula in narrowband HSO
Powered byPixInsight

Helix Nebula in narrowband HSO

Acquisition details

Dates:
July 7, 2021 ·  July 17, 2021
Frames:
200×300(16h 40′) bin 2×2
29×600(4h 50′) bin 2×2
Integration:
21h 30′
Avg. Moon age:
17.32 days
Avg. Moon phase:
28.44%

Basic astrometry details

Astrometry.net job: 4753319

RA center: 22h29m38s.2

DEC center: -20°4937

Pixel scale: 1.617 arcsec/pixel

Orientation: 359.292 degrees

Field radius: 0.695 degrees

Resolution: 2370x1990

File size: 1.2 MB

Locations: Backyard, Brisbane, Queensland, Australia

Data source: Backyard

Description

One of my longer integrations >20hours. 

Most is 300s exposures but am experimenting with 600s exposures for around 5 or so hours here (just Ha and OIII)

Stacked into Ha, OII, SII channels in APP.

Combined in Startools - normally I'd do SHO but HSO worked better for colour here.

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Helix Nebula in narrowband HSO, 



    
        

            robonrome

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Southern Hemisphere Astro