Alnair Position and Visibility Tonight
Where is Alnair right now?
Alnair is located in the constellation GRUS. It is currently above the horizon at an altitude of 5° toward the south, with an apparent magnitude of 1.73.
Twilight begins at 22:27 local time. At that moment, Alnair will be 5° above the horizon toward the south.
Twilight begins at 22:27 local time. At that moment, Alnair will be 5° above the horizon toward the south.
Alnair visibility on 2026-09-17
Alnair Visible from before midnight until before midnight
Alnair rise and set timetable
| Time | Elevation | |
Moonrise, 24% illuminated  | 10:43 | -74° |
| Astronomical observing session begins | 18:41 | -2° |
| Alnair rise | 19:10 | |
| Moonset | 20:07 | 4° |
| Alnair transit | 21:31 | 6° |
| Alnair set | 23:51 | |
| Astronomical observing session ends | 03:23 | -25° |
Track Alnair position throughout the night
← 17 September 2026 →
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| Altitude | |
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Shift the map to change the time and observe Alnair changing position in the night sky.
Alnair - Blue Giant Star
Alnair is the brightest star in the constellation Grus and the twenty-eighth-brightest star in the night sky. It is a blue giant star located about 101 light-years away from Earth.
Alnair has an apparent magnitude of 1.73 and is one of the most prominent stars in the Southern Hemisphere.
Finder Chart for Alnair
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| Object name | Alnair |
| Field of view | |
| Limiting magnitude | |
| Alnair coordinates | 22.137209, -46.960975 |
| Center coordinates | 22.137209, -46.960975 |
Alnair Passage Through Night
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Current position of Alnair
| Time | 22:27 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 5° |
| Azimuth | 190° |
Here you can see the current position of Alnair 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 Alnair Visible Throughout the Year?
Alnair will remain visible until December 28, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Fri, 18 September 2026 |
| Astronomical observing session begins | 18:39 |
| Astronomical observing session ends | 03:22 |
| Astronomical observing duration | 9h 42m |
| Rise | 19:06 |
| Set | 23:47 |
| Elevation at transit | 6° |
| Transit time | 21:27 |
| Equatorial coordinates | RA: 22h 08m 13s", Dec: -46° 57' 39s |
| Magnitude | 2 |
| Constellation | Grus |
The graph illustrates the annual visibility pattern of Alnair, 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 Alnair is visible throughout the year in a table with exact rise, transit, and set times for each date.
You can also see when Alnair is visible throughout the year in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of Alnair
Coordinates and Visibility
| Right Ascension | 22h 08m 14s |
| Declination | -46° 57′ 40″ |
| Magnitude | 1.73 |
| Constellation | Grus |
| Elevation | 4.7° |
| Azimuth | 189.7° |
| Spectral type | B7IV |