Sky Tonight
ST
Location settings
Santa Clara, US
37.4°/-122°
GMT -9
Waxing18:02 - 03:57
⌕
Go to My SkyLog in
☾
☰
Sky-Tonight.com / Brightest Stars / Sirius
  • 🌐 EN
    ENDEESFRPT中文
  • Tonight
    • Brightest Planets and Stars Tonight
    • Milky Way 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
    • 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

Sirius Tonight: Visibility, Position and Best Viewing Time

Is Sirius Visible Tonight?

From your location, Sirius is visible from early morning until sunrise. Its current altitude, direction, rise and set times, and finder chart are shown below.

When Is the Best Time to See Sirius Tonight?

The earliest practical time to observe Sirius tonight is around 03:52, when it is already about 31° above the horizon. It reaches its highest point of about 31° around 03:57.

Sirius

Where is Sirius right now?

Sirius is located in the constellation Canis Major. It is currently above the horizon at an altitude of 33° toward the south-east, with an apparent magnitude of -1.44.
Open the interactive guide to Sirius’s position and path tonight

Sirius visibility on 2026-09-25

Sirius Visible from early morning until sunrise

Sirius rise and set timetable

TimeElevation
Moonrise, 96.7% illuminated 16:01-61°
Astronomical observing session begins18:33-66°
Sirius rise00:29
Astronomical observing session ends03:2428°
Moonset03:5431°
Twilight end (−12°)03:5531°
Civil sunrise04:2634°
Sunrise04:5935°
Sirius transit05:3536°
Sirius set10:41

Track Sirius position throughout the night

← 25 September 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe Sirius changing position in the night sky.

Sirius - Main Sequence Star

Sirius, also known as the Dog Star, is the brightest star in the night sky. It is a binary star system consisting of a main sequence star, Sirius A, and a faint white dwarf companion, Sirius B.

Sirius A is about twice as massive as the Sun and 25 times more luminous. The system is approximately 8.6 light-years away from Earth and is a prominent feature of the winter sky in the Northern Hemisphere.

Finder Chart for Sirius

Double-click to unlock the map.
Object nameSirius
Field of view
Limiting magnitude
Sirius coordinates6.75248, -16.71612
Center coordinates6.75248, -16.71612

Sirius Passage Through Night

Double-click to unlock the map.

Current position of Sirius

Time04:29
Latitude37.3541
Longitude-121.955
Elevation33°
Azimuth160°
Here you can see the current position of Sirius 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 Sirius Visible Throughout the Year?

Sirius will remain visible until April 10, when it moves too close to the Sun and temporarily disappears from the night sky. Time
DateFri, 25 September 2026
Astronomical observing session begins18:29
Astronomical observing session ends03:19
Astronomical observing duration9h 50m
Rise00:29
Set10:41
Elevation at transit36°
Transit time05:35
Equatorial coordinatesRA: 06h 45m 08s", Dec: -16° 42' 58s
Magnitude-1
ConstellationCanis Major
The graph illustrates the annual visibility pattern of Sirius, 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 Sirius is visible throughout the year in a table with exact rise, transit, and set times for each date.

Astrometric and Physical Parameters of Sirius

Coordinates and Visibility

Right Ascension06h 45m 09s
Declination-16° 42′ 58″
Magnitude-1.44
ConstellationCanis Major
Elevation33.5°
Azimuth159.8°
Spectral typeA0m...

More about Sirius

  • Where is Sirius right now?
  • When Is Sirius Visible Throughout the Year?