Celestial hemisphere:  Southern  ·  Constellation: Aquarius (Aqr)  ·  Contains:  Helix Nebula  ·  NGC 7293  ·  PK036-57.1
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Helix Nebula in Hydrogen and Oxygen, 



    
        

            Steven Gill (Parkesburg Observatory)
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Helix Nebula in Hydrogen and Oxygen

Getting plate-solving status, please wait...
Helix Nebula in Hydrogen and Oxygen, 



    
        

            Steven Gill (Parkesburg Observatory)
Powered byPixInsight

Helix Nebula in Hydrogen and Oxygen

Acquisition details

RA center: 22h29m38s.313

DEC center: -20°5031.20

Pixel scale: 0.398 arcsec/pixel

Orientation: -0.022 degrees

Field radius: 0.407 degrees

WCS transformation: thin plate spline

More info:Open 

Resolution: 6136x4064

File size: 25.4 MB

Data source: Backyard

Description

Pixelmath Combination in Pixinsight using Dreamsplease pixelmath:
R = iif(Ha > .15, Ha, ( Ha*.8 )+( Oiii*.2 ))
G = iif(Ha > 0.5, 1-(1-Oiii)*(1-(Ha-0.5)), Oiii *(Ha+0.5))
B = iif(Oiii > .1, Oiii, (Ha*.3)+(Oiii*.2))

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Helix Nebula in Hydrogen and Oxygen, 



    
        

            Steven Gill (Parkesburg Observatory)