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Contains:  IC 4605, NGC 6144, rho Oph nebula, IC 4604, IC 4603, M 4, NGC 6121, M 80, NGC 6093, The star 22Sco, The star Antares (αSco), The star ρOph, The star Al Niyat (σSco), The star οSco
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Rho Ophiuchi - NASA APOD 8.27.19, 


            David McGarvey
Rho Ophiuchi - NASA APOD 8.27.19

Rho Ophiuchi - NASA APOD 8.27.19

Technical card

Resolution: 2200x2113

Dates:June 30, 2019

Frames: 20x180"

Integration: 1.0 hours

Avg. Moon age: 27.04 days

Avg. Moon phase: 6.83% job: 2804107

RA center: 16h 26' 34"

DEC center: -25° 2' 52"

Pixel scale: 7.560 arcsec/pixel

Orientation: 2.405 degrees

Field radius: 3.203

Locations: Cherry Springs Dark Sky Park, Coudersport, Pennsylvania, United States

Data source: Traveller


The beautiful Rho Ophiuchi region as seen from Cherry Springs Dark Sky Park in northern Pennsylvania on 6/30/19 - Bortle class 2 skies.

Nikon D750 (Stock)
Nikkor 300mm f/2.8 AI-S ED lens
ISO 1600
AstroTrac TT320X-AG - no guiding
Induro CLT404L Tripod


20 x 180" exposures (60 mins. total integration time)


RawTherapee, Deep Sky Stacker, Starnet++, RNC-Color-Stretch, & Photoshop.



David McGarvey
License: None (All rights reserved)

Sky plot

Sky plot


Rho Ophiuchi - NASA APOD 8.27.19, 


            David McGarvey