Sirius Observation Details
Sirius Daily Motion
Sirius will be visible until April, 3, 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 December 21
Rise and Set Timetable
| Time | Elevation | |
| Astrosession begin | 18:48 | -15° |
| Sirius rise | 20:11 | |
| Moon Rise, 57% illuminated | 23:50 | 30° |
| Sirius transit | 01:11 | 33° |
| Sirius set | 06:12 | |
| Astrosession end | 06:13 | -0° |
| Moon Set | 12:24 | -65° |
Track Sirius Position Throughout the Night
← Sat, 21 December 2024 →
| 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
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| Object name | Sirius |
| Field of view | |
| Limiting magnitude | |
| Sirius coordinates | 6.7524809999999995, -16.716116 |
| Center coordinates | 6.7524809999999995, -16.716116 |
Sirius Passage Through Night
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Current position of Sirius
| Time | 07:33 |
| Latitude | 39.9625 |
| Longitude | -83.0061 |
| Sirius elevation | -14° |
| Sirius Azimuth | 100° |
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
| Date | Sun, 22 December 2024 |
| Twighlight start | 18:44 |
| Twighlight end | 06:07 |
| Twighlight duration | 11h 23m |
| Rise | 20:11 |
| Set | 06:12 |
| Elevation at transit | 33° |
| Transit time | 01:11 |
| Equatorial coordinate | RA: 06h 45m 08s", Dec: -16° 42' 58s |
| Magnitude | -1 |
| Constellation | Canis 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.
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.