Alnilam Observation Details
Alnilam Daily Motion
Alnilam will not be observable tonight. It will reach its transit at 49° by 15:01 and set at 20:56. Throughout the night, from 01:49 to 04:58, it will be below the horizon. Alnilam will rise again after sunrise, at 09:02.Alnilam will become visible in August, 23. After being too close to the Sun to observe, it will reappear in the night sky. Starting from August, 23, Alnilam can be seen again, providing a good opportunity for observation.
Alnilam Visibility Timetable on May 24
Alnilam Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 20% illuminated | 04:12 | -48° |
| Alnilam transit | 15:01 | 49° |
| Moon Set | 18:12 | 30° |
| Sunset | 20:46 | 2° |
| Alnilam set | 20:56 | |
| Astrosession begin | 22:43 | -20° |
| Astrosession end | 04:14 | -48° |
| Alnilam rise | 09:02 |
Track Alnilam Position Throughout the Night
← Sat, 24 May 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Alnilam changing position in the night sky.
Alnilam - Blue Supergiant Star
Alnilam is the central star in Orion's Belt and the twenty-seventh-brightest star in the night sky. It is a blue supergiant star located about 2,000 light-years away from Earth.
Alnilam has an apparent magnitude of 1.70 and is one of the most prominent stars in the winter sky in the Northern Hemisphere.
Finder Chart for Alnilam
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| Object name | Alnilam |
| Field of view | |
| Limiting magnitude | |
| Alnilam coordinates | 5.603559, -1.20192 |
| Center coordinates | 5.603559, -1.20192 |
Alnilam Passage Through Night
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Current position of Alnilam
| Time | 01:49 |
| Latitude | 39.9625 |
| Longitude | -83.0061 |
| Alnilam elevation | -48° |
| Alnilam Azimuth | 27° |
Here you can see the current position of the Alnilam on the map, as well as its positions for rise and set. This tool allows you to track the Alnilam's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of Alnilam
| Date | Sun, 25 May 2025 |
| Twighlight start | 22:39 |
| Twighlight end | 04:08 |
| Twighlight duration | 5h 29m |
| Rise | 09:02 |
| Set | 20:52 |
| Elevation at transit | 49° |
| Transit time | 14:57 |
| Equatorial coordinates | RA: 05h 36m 12s", Dec: -1° 12' 06s |
| Magnitude | 2 |
| Constellation | Orion |
The graph illustrates the annual visibility pattern of a Alnilam, 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 Alnilam 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 Alnilam 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.