Rukbat Observation Details
Rukbat Daily Motion
Rukbat rise at 19:53, and will be at 7° when twilight starts at 21:20. It will reach its transit at 9° at 22:49, and will set at 01:45, before twighlight ends at 05:49.Rukbat will be visible until January, 1, when it will move too close to the Sun. During this time, its proximity to the Sun will cause it to disappear from the night sky, making it unobservable for a while.
Rukbat Visibility Timetable on August 23
Rukbat Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 0.8% illuminated | 05:57 | -36° |
| Rukbat rise | 19:53 | |
| Moon Set | 20:15 | 2° |
| Sunset | 20:16 | 2° |
| Civil sunset | 20:46 | 5° |
| Astrosession begin | 21:56 | 9° |
| Rukbat transit | 22:49 | 9° |
| Rukbat set | 01:45 | |
| Astrosession end | 05:13 | -29° |
Track Rukbat Position Throughout the Night
← Sat, 23 August 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Rukbat changing position in the night sky.
Where is Rukbat right now?
Rukbat is located in the constellation Sagittarius, at right ascension 19h 23m 53s" and declination -40° 36' 57s. At the current time, it is below the horizon and not visible from your location.Finder Chart for Rukbat
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| Object name | Rukbat |
| Field of view | |
| Limiting magnitude | |
| Rukbat coordinates | 19.398103, -40.61594 |
| Center coordinates | 19.398103, -40.61594 |
Rukbat Passage Through Night
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Current position of Rukbat
| Time | 18:06 |
| Latitude | 39.9625 |
| Longitude | -83.0061 |
| Rukbat elevation | -13° |
| Rukbat Azimuth | -133° |
Here you can see the current position of the Rukbat on the map, as well as its positions for rise and set. This tool allows you to track the Rukbat's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of Rukbat
| Date | Sat, 23 August 2025 |
| Twighlight start | 21:52 |
| Twighlight end | 05:07 |
| Twighlight duration | 7h 15m |
| Rise | 19:49 |
| Set | 01:41 |
| Elevation at transit | 9° |
| Transit time | 22:45 |
| Equatorial coordinates | RA: 19h 23m 53s", Dec: -40° 36' 57s |
| Magnitude | 4 |
| Constellation | Sagittarius |
The graph illustrates the annual visibility pattern of a Rukbat, providing a comprehensive overview of its daily appearances and transit times throughout the year.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the Rukbat is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the Rukbat is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.
Astrometric & Physical Parameters of Rukbat
Coordinates & Visibility
| Right Ascension | 19.398103° |
| Declination | -40.61594° |
| Magnitude | 3.96 |
| Constellation | Sagittarius |
| Elevation | -13.1° |
| Azimuth | -132.6° |