R-Oph (Star)

Image of R-Oph
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
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From South El Monte , R-Oph will become visible at around 20:20 (PDT), 37° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:36.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.
Name R-Oph
Object type Star
Other names
R-Oph
R Ophiuchi
HD 154721
TYC 6232-1335-1[2]
Position
Right ascension:17h07m45s [1]
Declination:−16°05'33" [1]
Constellation:Ophiuchus
Magnitude:7.89 (V) [1]
B-V Color (mag):1.45
Proper motion (speed):37.3 mas/yr[1]
Proper motion (pos ang):237.8°
Sources
Visibility from South El Monte

All times shown in South El Monte local time.

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme


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Last updated: 30 Aug 2026, 18:19 UTC
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