Nunki Position and Visibility Tonight
Where is Nunki right now?
Nunki is located in the constellation Sagittarius. It is currently below the horizon and is not visible from your location.
Nunki visibility on 2026-11-10
Nunki Visible from sunset until before midnight
Nunki rise and set timetable
| Time | Elevation | |
Moonrise, 0.3% illuminated  | 05:34 | -52° |
| Nunki transit | 15:39 | 64° |
| Sunset | 17:46 | 50° |
| Moonset | 17:59 | 47° |
| Civil sunset | 18:08 | 45° |
| Twilight start (−12°) | 18:34 | 40° |
| Astronomical observing session begins | 18:59 | 35° |
| Nunki set | 21:38 | |
| Astronomical observing session ends | 04:28 | -61° |
| Nunki rise | 09:37 |
Track Nunki position throughout the night
← 10 November 2026 →
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Shift the map to change the time and observe Nunki changing position in the night sky.
Star system description: Nunki
A double or multiple star system in Sagittarius.
No reliable observing recommendation is available for the measured pair.
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: Nunki
| Property | Value |
|---|---|
| System identifier | WDS 18553-2618 |
| Bayer / Flamsteed designation | σ Sgr |
| Constellation | Sagittarius |
| System type | multiple star system |
| Right ascension (RA) | 18h 55m 15s" |
| Declination (Dec) | -26° 17' 48s |
| Component | AB |
| Primary magnitude | 2.04 |
| Secondary magnitude | 9.95 |
| Separation (arcseconds) | 349″ |
| Position angle | 239° |
| Discovery year | 1837 |
| Last observed | 1999 |
| Spectral type (primary/secondary) | B2.5V |
| Number of observations | 4 |
3 components are identified in WDS; this is not a count of resolved stars.
Components of Nunki
Each row is a separate WDS component pair. Measurements may come from different years.
| Component | Primary magnitude | Secondary magnitude | Separation (arcseconds) | Position angle | Last observed |
|---|---|---|---|---|---|
| AB | 2.04 | 9.95 | 349″ | 239° | 1999 |
| Aa,Ab | 2.80 | 2.80 | — | — | 2025 |
Notes
- U: Proper motion indicates a non-physical pair.
Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.
Finder Chart for Nunki
Nunki Passage Through Night
Double-click to unlock the map.
Current position of Nunki
| Time | 00:02 |
| Latitude | 0 |
| Longitude | 0 |
| Elevation | -32° |
| Azimuth | 239° |
Here you can see the current position of Nunki 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 Nunki Visible Throughout the Year?
Nunki will remain visible until November 22, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Wed, 11 November 2026 |
| Astronomical observing session begins | 18:56 |
| Astronomical observing session ends | 04:23 |
| Astronomical observing duration | 9h 27m |
| Rise | 09:37 |
| Set | 21:35 |
| Elevation at transit | 64° |
| Transit time | 15:36 |
| Equatorial coordinates | RA: 18h 55m 15s", Dec: -26° 17' 48s |
| Magnitude | 2 |
| Constellation | Sagittarius |
The graph illustrates the annual visibility pattern of Nunki, 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 Nunki is visible throughout the year in a table with exact rise, transit, and set times for each date.
You can also see when Nunki is visible throughout the year in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of Nunki
Coordinates and Visibility
| Right Ascension | 18h 55m 16s |
| Declination | -26° 17′ 48″ |
| Magnitude | 2.04 |
| Constellation | Sagittarius |
| Elevation | -31.7° |
| Azimuth | 238.6° |