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Sky-Tonight.com / Brightest Stars / Sirius
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Observation Settings

Or select it on the map:
This Earth map fragment is intended to illustrate celestial motion across the sky, emphasizing both bearing and elevational perspectives. The map's center point corresponds to the transit, showcasing celestial objects at their highest point, while elevation gradually decreases towards the map edges. This dynamic representation offers insights into the changing positions of celestial bodies with a focus on their bearing and elevational trajectories.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

Sirius Observation Details

Sirius

Sirius Daily Motion

Sirius will rise at 23:25, during twilight, and will ascend to 36° by the time twilight ends at 04:16.
Sirius will be visible until April, 9, 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.

Sirius Visibility Timetable on October 11

Sirius Rise and Set Timetable

TimeElevation
Astrosession begin18:03-61°
Moon Rise, 78% illuminated19:01-51°
Sirius rise23:25
Astrosession end03:4535°
Sirius transit04:3136°
Civil sunrise04:4636°
Sunrise05:1335°
Sirius set09:37
Moon Set10:53-15°

Track Sirius Position Throughout the Night

← Sat, 11 October 2025 →

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

Where is Sirius right now?

Sirius is located in the constellation Canis Major, at right ascension 06h 45m 08s" and declination -16° 42' 58s. At the current time, it is below the horizon and not visible from your location.

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

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Object nameSirius
Field of view
Limiting magnitude
Sirius coordinates6.7524809999999995, -16.716116
Center coordinates6.7524809999999995, -16.716116

Sirius Passage Through Night

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Current position of Sirius

Time10:57
Latitude37.3541
Longitude-121.955
Sirius elevation-15°
Sirius Azimuth100°
Here you can see the current position of the Sirius on the map, as well as its positions for rise and set. This tool allows you to track the Sirius's movement throughout the night, providing you with accurate and up-to-date information.

Annual motion of Sirius

Time
DateSat, 11 October 2025
Twighlight start17:59
Twighlight end03:39
Twighlight duration10h 40m
Rise23:25
Set09:37
Elevation at transit36°
Transit time04:31
Equatorial coordinatesRA: 06h 45m 08s", Dec: -16° 42' 58s
Magnitude-1
ConstellationCanis Major
The graph illustrates the annual visibility pattern of a Sirius, 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 Sirius 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 Sirius

Coordinates & Visibility

Right Ascension6.7524809999999995°
Declination-16.716116°
Magnitude-1.44
ConstellationCanis Major
Elevation-14.6°
Azimuth100.1°