Contains: IC 4605, rho Oph nebula, IC 4604, IC 4603, M 4, NGC 6121, The star τSco, The star ωOph, The star 22Sco, The star Antares (αSco), The star ρOph, The star Al Niyat (σSco), The star οSco, The star 12Sco, The star 13Sco, Part of the constellation Scorpius (Sco)
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Rho Ophiuchi complex

Technical card

Resolution: 2048x1506

Dates: July 15, 2017

Frames: 12x300"

Integration: 1.0 hours

Avg. Moon age: 20.81 days

Avg. Moon phase: 64.09% job: 1654611

RA center: 247.515 degrees

DEC center: -26.614 degrees

Pixel scale: 20.859 arcsec/pixel

Orientation: 90.264 degrees

Field radius: 7.364 degrees

Locations: Back Garden, Clifton Springs, Victoria, Australia


Rho Ophiuchi complex from the garden Saturday night.
12 * 5 minute exposures, master dark and master bias, Sony A99, Samyang 135mm 2.0 @f/4, 800-iso, HEQ5-Pro mount.



Gary Plummer

Sky plot

Sky plot


Rho Ophiuchi complex , Gary Plummer