Double Star 11279+0251 Position and Visibility Tonight
Where is 11279+0251 right now?
11279+0251 is located in the constellation Leo. At the current time, it is above the horizon at an altitude of 50 degrees toward the southeast from your location, with an apparent magnitude of 5.05.
Twilight begins at 22:48 local time, and at that moment, 11279+0251 will appear at an altitude of 50 degrees toward the southeast.
Twilight begins at 22:48 local time, and at that moment, 11279+0251 will appear at an altitude of 50 degrees toward the southeast.
11279+0251 Visibility on April 10
11279+0251 is visible nearly all night until morning twilight
11279+0251 Rise and Set Timetable
| Time | Elevation | |
| 11279+0251 rise | 15:14 | |
| Sunset | 17:36 | 28° |
| Civil sunset | 18:04 | 33° |
| Twighlight start | 18:36 | 39° |
| Astrosession begin | 19:08 | 44° |
| 11279+0251 transit | 21:21 | 56° |
Moon Rise, 52.1% illuminated  | 00:58 | 30° |
| Astrosession end | 03:08 | 4° |
| 11279+0251 set | 03:29 | |
| Moon Set | 10:34 | -46° |
Track 11279+0251 Position Throughout the Night
← Fri, 10 April 2026 →
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Shift the map to change the time and observe 11279+0251 changing position in the night sky.
11279+0251 Star System Description
11279+0251 is 6-star Star System located in constellation Leo at coordinates RA: 11h 27m 56s", Dec: 02° 51' 22s.
The primary component has a magnitude of 5.05, while the secondary component has a magnitude of 7.47. They are separated by 1.4 arcminute at a position angle of 164 degrees. The brightness difference between the two components is 2.42 magnitudes, with the primary component being approximately 9.3 times brighter than the secondary.
Below is a table with star system details from the Washington Double Star (WDS) Catalog. This catalog is a comprehensive source of information on double and multiple star systems, providing key data on the positions, magnitudes, and separations of stellar components.
The primary component has a magnitude of 5.05, while the secondary component has a magnitude of 7.47. They are separated by 1.4 arcminute at a position angle of 164 degrees. The brightness difference between the two components is 2.42 magnitudes, with the primary component being approximately 9.3 times brighter than the secondary.
Below is a table with star system details from the Washington Double Star (WDS) Catalog. This catalog is a comprehensive source of information on double and multiple star systems, providing key data on the positions, magnitudes, and separations of stellar components.
Technical Details of Star System 11279+0251
| Property | Value |
|---|---|
| Star System Identifier | 11279+0251 |
| System Type | 6-star Star System |
| Primary Star | tau Leo |
| Right Ascension (RA) | 11.46561 (11h 27m 56s") |
| Declination (Dec) | 2.85625 (02° 51' 22s) |
| Magnitude (Primary) | 5.05 |
| Magnitude (Secondary) | 7.47 |
| Spectral Type (Primary/Secondary) | G8II-III |
| Separation (Arcseconds) | 82.7 |
| Position Angle | 164° |
| Discovery Year | 1780 |
| Last Observed | 2019 |
| Primary Proper Motion (Ra, Dec) | +016-010 |
| Secondary Proper Motion (Ra, Dec) | -090+017 |
| Number of Observations | 77 |
11279+0251 Components
| Component | Magnitude | Separation (arcseconds) | Position Angle |
| AB | 7.47 | 82.7 | 164 |
| AD | 9.51 | 766.5 | 92 |
| BC | 14.48 | 106.5 | 234 |
| BD | 9.51 | 755.2 | 85 |
| CE | 14.22 | 8.7 | 198 |
The data presented in this table is sourced from the Washington Double Star (WDS) Catalog, a comprehensive repository of double and multiple star system information maintained by the U.S. Naval Observatory. We thank the WDS team for their continued efforts in providing accurate and detailed astronomical data.
Finder Chart for tau Leo
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| Object name | 11279+0251 |
| Field of view | |
| Limiting magnitude | |
| 11279+0251 coordinates | 11.46561, 2.85625 |
| Center coordinates | 11.46561, 2.85625 |
11279+0251 Passage Through Night
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Current position of 11279+0251
| Time | 22:48 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| 11279+0251 elevation | 50° |
| 11279+0251 Azimuth | 145° |
Here you can see the current position of the 11279+0251 on the map, as well as its positions for rise and set. This tool allows you to track the 11279+0251's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 11279+0251
11279+0251 will be visible until June, 30, 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.
| Date | Sat, 11 April 2026 |
| Twighlight start | 19:09 |
| Twighlight end | 03:06 |
| Twighlight duration | 8h 57m |
| Rise | 15:10 |
| Set | 03:25 |
| Elevation at transit | 56° |
| Transit time | 21:17 |
| Equatorial coordinates | RA: 11h 27m 56s", Dec: 02° 51' 22s |
| Magnitude | 5 |
| Constellation | Leo |
The graph illustrates the annual visibility pattern of a 11279+0251, 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 11279+0251 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.
You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.
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 11279+0251 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.
You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.
Astrometric & Physical Parameters of 11279+0251
Coordinates & Visibility
| Right Ascension | 11.46561° |
| Declination | 2.85625° |
| Magnitude | 5.05 |
| Constellation | Leo |
| Elevation | 50.1° |
| Azimuth | 144.6° |