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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 Region 2016, 





    
        

            1074j
Rho Ophiuchi Region 2016

Rho Ophiuchi Region 2016

Technical card

Resolution: 2719x2134

Dates:July 3, 2016

Frames: 66x150"

Integration: 2.8 hours

Avg. Moon age: 28.47 days

Avg. Moon phase: 1.26%

Astrometry.net job: 1141573

RA center: 247.753 degrees

DEC center: -24.858 degrees

Pixel scale: 7.301 arcsec/pixel

Orientation: -177.409 degrees

Field radius: 3.506 degrees

Locations: Paradise, Chiricahua Mountains, AZ, United States

Description

My annual attempt at this pretty part of the sky. This time, it's with a Rokinon 135mm lens which has much less CA than my Canon. Still had some issues with stars and color fringing. Still, better than last year and processing was MUCH easier with this better data. I did have issues with blue hot pixels as the dithering didn't work for some reason and I no longer use darks. A bit of Ha was blended into the L and R channels. L 16x150s, RGB 10x150s, Ha 8x300s.

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Author

1074j
1074j
License: Attribution-NonCommercial Creative Commons
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Rho Ophiuchi Region 2016, 





    
        

            1074j