Sky Tonight
ST
Location settings
Santa Clara, US
37.4°/-122°
GMT -9
Waxing18:57 - 03:26
  ⌕
☾
☰
Sky-Tonight.com / Brightest Stars / Alnilam
  • 🌐 EN
    ENDEESFRPT中文
  • Tonight
    • Brightest Planets and Stars Tonight
  • Solar System
    • Sun
    • Real-Time Sun Map
    • Sunspots Activity
    • Aurora Activity
    • Moon
    • Interactive Lunar Map
    • Planets
    • Mercury
    • Venus
    • Mars
    • Jupiter
    • Saturn
    • Satellite Flyovers
    • ISS
    • Close Approaches
  • Small Bodies
    • Asteroids
    • Comets
    • Recently Updated Comets
  • Stars
    • Brightest Stars
  • Meteor Showers
    • Active Meteor Showers
    • Major Meteor Showers
  • Solar Eclipses
    • Future Solar Eclipses
    • Past Solar Eclipses
  • Lunar Eclipses
    • Future Lunar Eclipses
    • Past Lunar Eclipses
  • Deep Sky Objects
    • Seasonal Nebulae
    • Messier Objects
    • Nebulae
    • Star Clusters
    • Galaxies
  • Double Stars
    • Naked-eye
    • Binocular
    • Physical pairs
    • Color-contrasting
    • Triple systems
    • Multiple systems
  • Constellations
    • Visible Tonight
    • Seasonal
    • Ecliptic
    • All 88 Constellations
  • Maps
    • Sky Map
    • Mars Map
    • Mercury Map
    • Earth
    • Cloud Cover Map
  • Contact Us
    • Feedback

Observation Settings

Or select it on the map:
This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

Alnilam Position and Visibility Tonight

Alnilam

Where is Alnilam right now?

Alnilam is located in the constellation Orion. Although Alnilam is currently 49° above the horizon, it is not visible because it is daytime.

Alnilam visibility on 2026-08-18

Alnilam Visible from early morning until sunrise

Alnilam rise and set timetable

TimeElevation
Moonrise, 21% illuminated 09:4935°
Astronomical observing session begins19:32-53°
Moonset20:26-48°
Alnilam rise01:00
Astronomical observing session ends02:5122°
Twilight end03:2628°
Civil sunrise03:5934°
Sunrise04:2838°
Alnilam transit06:5551°

Track Alnilam Position Throughout the Night

← 18 August 2026 →

Elevation (degrees)
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

Double-click to unlock the map.
Object nameAlnilam
Field of view
Limiting magnitude
Alnilam coordinates5.603559, -1.20192
Center coordinates5.603559, -1.20192

Alnilam Passage Through Night

Double-click to unlock the map.

Current position of Alnilam

Time07:56
Latitude37.3541
Longitude-121.955
Elevation49°
Azimuth202°
Here you can see the current position of Alnilam 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.

Annual motion of Alnilam


Alnilam will become visible again around August 20 after moving far enough from the Sun.
Time
DateTue, 18 August 2026
Twilight start19:28
Twilight end02:44
Twilight duration7h 17m
Rise01:00
Set12:51
Elevation at transit51°
Transit time06:55
Equatorial coordinatesRA: 05h 36m 12s", Dec: -1° 12' 06s
Magnitude2
ConstellationOrion
The graph illustrates the annual visibility pattern of Alnilam, 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 view detailed visibility information in a table with exact rise, transit, and set times for each date.

Astrometric and Physical Parameters of Alnilam

Coordinates and Visibility

Right Ascension5.603559°
Declination-1.20192°
Magnitude1.69
ConstellationOrion
Elevation49.2°
Azimuth202.2°