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Sky-Tonight.com/Double stars/OS Pup
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Observation Settings

Or select it on the map:
This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
Your location: Singapore, Singapore
Timezone:
Latitude:
1.35208
Longitude:
103.82

OS Pup Position and Visibility Tonight

08140-3619

Where is OS Pup right now?

OS Pup is located in the constellation Puppis. It is currently above the horizon at an altitude of 34° toward the south-east, with an apparent magnitude of 5.03.
Open the interactive guide to OS Pup’s position and path tonight

OS Pup visibility on 2026-10-27

OS Pup Visible from early morning until sunrise

OS Pup rise and set timetable

TimeElevation
Moonrise, 98.9% illuminated 19:51-53°
Astronomical observing session begins20:01-52°
OS Pup rise00:58
Astronomical observing session ends05:3548°
Twilight end (−12°)06:0050°
Civil sunrise06:2552°
Sunrise06:4752°
OS Pup transit06:5352°
Moonset08:2646°
OS Pup set12:48

Track OS Pup position throughout the night

← 27 October 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe OS Pup changing position in the night sky.

Star system description: OS Pup

A double or multiple star system in Puppis.

Pair AB (66.7″; magnitudes 5.03 and 5.99) is the binocular candidate in the catalog model. Actual resolution depends on magnification and stability.

The diagram uses the latest WDS measurements; north is up and east is right. Measurements may be from different years. Unconnected groups are arranged separately; close pairs may merge, and pairs without reliable geometry are omitted.

Technical details: OS Pup

PropertyValue
System identifierWDS 08140-3619
Bayer / Flamsteed designationOS Pup
ConstellationPuppis
System typedouble star system
Right ascension (RA)08h 13m 58s"
Declination (Dec)-36° 19' 20s
ComponentAB
Primary magnitude5.03
Secondary magnitude5.99
Separation (arcseconds)66.7″
Position angle176°
Discovery year1826
Last observed2025
Spectral type (primary/secondary)B1.5IV
Number of observations27

Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.

Finder Chart for OS Pup

Field of view 5.0°

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View on Sky Map

OS Pup Passage Through Night

Double-click to unlock the map.

Current position of OS Pup

Time03:57
Latitude1.35208
Longitude103.82
Elevation34°
Azimuth137°
Here you can see the current position of OS Pup on the map, as well as its positions for rise and set. This tool lets you track its movement throughout the night with accurate, up-to-date information.

When Is OS Pup Visible Throughout the Year?

OS Pup will remain visible until June 3, when it moves too close to the Sun and temporarily disappears from the night sky. Time
DateWed, 28 October 2026
Astronomical observing session begins19:55
Astronomical observing session ends05:28
Astronomical observing duration10h 33m
Rise00:54
Set12:44
Elevation at transit52°
Transit time06:49
Equatorial coordinatesRA: 08h 13m 58s", Dec: -36° 19' 20s
Magnitude5
ConstellationPuppis
The graph illustrates the annual visibility pattern of OS Pup, including its daily appearances and transit times. The vertical axis shows the hours of the day and the horizontal axis spans the year. The reddish area marks when the object is above the horizon, while the white line marks its daily transit.
You can also see when OS Pup is visible throughout the year in a table with exact rise, transit, and set times for each date.

Astrometric and Physical Parameters of OS Pup

Coordinates and Visibility

Right Ascension08h 13m 58s
Declination-36° 19′ 20″
Magnitude5.03
ConstellationPuppis
Elevation34.3°
Azimuth137.2°