Double Star 23159-0905 Position and Visibility Tonight
Where is 23159-0905 right now?
23159-0905 is located in the constellation Aquarius. At the current time, it is below the horizon and not visible from your location.
23159-0905 Visibility on April 17
23159-0905 is visible just before sunrise
23159-0905 Rise and Set Timetable
| Time | Elevation | |
Moon Rise, 3.1% illuminated  | 03:49 | 7° |
| 23159-0905 transit | 08:44 | 44° |
| 23159-0905 set | 14:15 | |
| Moon Set | 17:17 | -36° |
| Astrosession begin | 19:17 | -56° |
| Astrosession end | 02:57 | -2° |
| 23159-0905 rise | 03:09 | |
| Twighlight end | 03:30 | 4° |
| Civil sunrise | 04:03 | 10° |
| Sunrise | 04:31 | 16° |
Track 23159-0905 Position Throughout the Night
← Fri, 17 April 2026 →
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Shift the map to change the time and observe 23159-0905 changing position in the night sky.
23159-0905 Star System Description
23159-0905 is 5-star Star System located in constellation Aquarius at coordinates RA: 23h 15m 53s", Dec: -9° 05' 15s.
The primary component has a magnitude of 4.36, while the secondary component has a magnitude of 9.88. They are separated by 49.8 arcseconds at a position angle of 311 degrees. The brightness difference between the two components is 5.52 magnitudes, with the primary component being approximately 161.4 times brighter than the secondary.
The primary and secondary stars are both orange in color
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.
V: Proper motion or other technique indicates that this pair is physical.
The primary component has a magnitude of 4.36, while the secondary component has a magnitude of 9.88. They are separated by 49.8 arcseconds at a position angle of 311 degrees. The brightness difference between the two components is 5.52 magnitudes, with the primary component being approximately 161.4 times brighter than the secondary.
The primary and secondary stars are both orange in color
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 23159-0905
| Property | Value |
|---|---|
| Star System Identifier | 23159-0905 |
| System Type | 5-star Star System |
| Primary Star | 91 Aqr |
| Right Ascension (RA) | 23.26486 (23h 15m 53s") |
| Declination (Dec) | -9.08775 (-9° 05' 15s) |
| Magnitude (Primary) | 4.36 |
| Magnitude (Secondary) | 9.88 |
| Spectral Type (Primary/Secondary) | K1III+K3 (orange/orange) |
| Separation (Arcseconds) | 49.8 |
| Position Angle | 311° |
| Discovery Year | 1824 |
| Last Observed | 2016 |
| Primary Proper Motion (Ra, Dec) | +369-017 |
| Secondary Proper Motion (Ra, Dec) | +370-017 |
| Number of Observations | 55 |
23159-0905 Components
| Component | Magnitude | Separation (arcseconds) | Position Angle |
| A,BC | 9.88 | 49.8 | 311 |
| AD | 13.49 | 63.0 | 275 |
| BC | 10.7 | 0.1 | 267 |
| BC,E | 14.3 | 18.4 | 35 |
Notes
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 91 Aqr
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| Object name | 23159-0905 |
| Field of view | |
| Limiting magnitude | |
| 23159-0905 coordinates | 23.26486, -9.08775 |
| Center coordinates | 23.26486, -9.08775 |
23159-0905 Passage Through Night
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Current position of 23159-0905
| Time | 14:54 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| 23159-0905 elevation | -8° |
| 23159-0905 Azimuth | 96° |
Here you can see the current position of the 23159-0905 on the map, as well as its positions for rise and set. This tool allows you to track the 23159-0905's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 23159-0905
23159-0905 will become visible in June, 7. After being too close to the Sun to observe, it will reappear in the night sky. Starting from June, 7, 23159-0905 can be seen again, providing a good opportunity for observation.
| Date | Fri, 17 April 2026 |
| Twighlight start | 19:12 |
| Twighlight end | 02:52 |
| Twighlight duration | 8h 40m |
| Rise | 03:09 |
| Set | 14:11 |
| Elevation at transit | 44° |
| Transit time | 08:40 |
| Equatorial coordinates | RA: 23h 15m 53s", Dec: -9° 05' 15s |
| Magnitude | 4 |
| Constellation | Aquarius |
The graph illustrates the annual visibility pattern of a 23159-0905, 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 23159-0905 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 23159-0905 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 23159-0905
Coordinates & Visibility
| Right Ascension | 23.26486° |
| Declination | -9.08775° |
| Magnitude | 4.36 |
| Constellation | Aquarius |
| Elevation | -7.8° |
| Azimuth | 95.5° |