Nunki (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From South El Monte , Nunki is visible in the dawn sky, rising at 02:06 (PDT) and reaching an altitude of 27° above the southern horizon before fading from view as dawn breaks at around 05:46.
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|
Name
Nunki
|
Object type
Star
|
Other names
Position
| Right ascension: | 18h55m15s [3] |
| Declination: | −26°17'47" [3] |
| Constellation: | Sagittarius |
| Magnitude: | 2.07 (V) [3] 1.89 (BT) [2] 2.04 (VT) [2] |
| Distance: | 69.8 parsec 227.7 lightyrs [5] |
| B-V Color (mag): | -0.14 |
| Proper motion (speed): | 55.5 mas/yr[5] |
| Proper motion (pos ang): | 164.2° |
Derived quantities
| Absolute mag (V): | -2.15 |
Visibility from South El Monte
All times shown in South El Monte local time.
Events
| 12 Mar 2026 | – Lunar occultation of Sigma Sagittarii |
| 09 Apr 2026 | – Lunar occultation of Sigma Sagittarii |
| 06 May 2026 | – Lunar occultation of Sigma Sagittarii |
| 02 Jun 2026 | – Lunar occultation of Sigma Sagittarii |
| 30 Jun 2026 | – Lunar occultation of Sigma Sagittarii |
| 27 Jul 2026 | – Lunar occultation of Sigma Sagittarii |
| 23 Aug 2026 | – Lunar occultation of Sigma Sagittarii |
| 19 Sep 2026 | – Lunar occultation of Sigma Sagittarii |