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Contains:  IC 4592, IC 4601, IC 4603, IC 4604, IC 4605, M 4, NGC 6121, Part of the constellation Scorpius (Sco), The star 13Sco, The star Al Niyat (σSco), The star Antares (αSco), The star εSco, The star νSco, The star τSco, The star χOph, The star ω1Sco, The star ω2Sco, The star ωOph, rho Oph nebula
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Rho Oph, 


Rho Oph
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Rho Oph

Technical card

Dates:June 30, 2017

Frames: 176x120"

Integration: 5.9 hours

Avg. Moon age: 6.88 days

Avg. Moon phase: 44.64%

Basic astrometry details job: 1637031

RA center: 16h 29' 24"

DEC center: -26° 27' 28"

Pixel scale: 19.491 arcsec/pixel

Orientation: 89.390 degrees

Field radius: 9.765 degrees

Resolution: 3000x2003

Data source: Traveller


I was hoping for a sharper image after all of the integration time put into it but it would appear that the UV/IR filter that I'd forgotten to remove added quite considerable optical defects. I've attempted to mask them as much as possible.



License: None (All rights reserved)

Sky plot

Sky plot


Rho Oph,