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Hemisphere:  Southern  ·  Contains:  IC 4603, IC 4604, IC 4605, M 4, M 80, NGC 6093, NGC 6121, NGC 6144, Part of the constellation Scorpius (Sco), The star 22Sco, The star Al Niyat (σSco), The star Antares (αSco), The star οSco, The star ρOph, The star τSco, The star ωOph, rho Oph nebula
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Rho Ophiuci, 


            Cory Schmitz
Rho Ophiuci
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Rho Ophiuci

Technical card

Imaging telescopes or lenses: Canon EF 70-200mm f2.8 L


Software: PixInsight  ·  Binary Rivers Backyard EOS

Basic astrometry details job: 298134

RA center: 16h 27' 12"

DEC center: -25° 3' 21"

Pixel scale: 6.473 arcsec/pixel

Orientation: 91.328 degrees

Field radius: 5.619 degrees

Resolution: 5202x3465


The Rho Ophiuchi cloud complex is a large star-forming region in the constellation Scorpius. The bright red supergiant star, Antares, is a prominent feature in the area, and reflects its light off the nearby clouds of gas.

Image details:
Canon 60Da
Canon 70-200mm f/2.8 L2 at 135mm, f/3.2
17x 5min ISO800
Calibrated with darks, flats, bias

Acquisition with BackyardEOS
Calibration, reduction, and integration with PixInsight
Post-processing with PixInsight



Cory Schmitz
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


Rho Ophiuci, 


            Cory Schmitz