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Contains:  IC 4605, NGC 6144, rho Oph nebula, IC 4604, IC 4603, M 4, NGC 6121, The star 22Sco, The star Antares (αSco), The star ρOph, The star Al Niyat (σSco), The star οSco
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Rho Ophiuchi Complex, 





    
        

            1074j
Rho Ophiuchi Complex

Rho Ophiuchi Complex

Technical card

Resolution: 2673x2136

Dates:June 19, 2014

Frames: 60x200"

Integration: 3.3 hours

Avg. Moon age: 21.84 days

Avg. Moon phase: 53.25%

Astrometry.net job: 341730

RA center: 247.341 degrees

DEC center: -24.978 degrees

Orientation: 179.269 degrees

Field radius: 3.343 degrees

Description

Rev C is a blend of the best of the previous 2 images-the better blue of B and the nice colors and dust lanes of A.

Rev B is a complete reprocess from the ground up to fix the star bloat and increase the blue channel.

A LHaRGB image using the RGB as a synthetic L channel. My Canon 135mm f/2 lens has a bit of bloat in the blue channel for brighter blue stars thus they are a bit larger than I would of liked. I may re-shoot the blue and/or do a set of luminosity subs with the lens stopped down a little. This was taken from a suburban location (Bortle 4.5-5) thus is wasn't as deep as some.

Comments

Author

1074j
1074j
License: None (All rights reserved)
7093
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Revisions

  • Rho Ophiuchi Complex, 





    
        

            1074j
    Original
  • Rho Ophiuchi Complex, 





    
        

            1074j
    B
  • Final
    Rho Ophiuchi Complex, 





    
        

            1074j
    C

Sky plot

Sky plot

Histogram

Rho Ophiuchi Complex, 





    
        

            1074j