22091-1831 Position and Visibility Tonight
Where is 22091-1831 right now?
22091-1831 is located in the constellation Aquarius. It is currently below the horizon and is not visible from your location.
Twilight begins at 18:57 local time. At that moment, 22091-1831 will be 5° above the horizon toward the south-east.
Twilight begins at 18:57 local time. At that moment, 22091-1831 will be 5° above the horizon toward the south-east.
22091-1831 visibility on 2026-08-18
22091-1831 Visible from evening until sunrise
22091-1831 rise and set timetable
| Time | Elevation | |
Moonrise, 21% illuminated  | 09:49 | -61° |
| 22091-1831 rise | 18:30 | |
| Twilight start | 18:57 | 5° |
| Astronomical observing session begins | 19:32 | 11° |
| Moonset | 20:26 | 19° |
| 22091-1831 transit | 23:29 | 34° |
| Astronomical observing session ends | 02:51 | 17° |
| Twilight end | 03:26 | 11° |
| Civil sunrise | 03:59 | 5° |
| Sunrise | 04:28 | 0° |
| 22091-1831 set | 04:29 |
Track 22091-1831 Position Throughout the Night
← 18 August 2026 →
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Star system description: 22091-1831
System 22091-1831 — quadruple star system, is located in the constellation Aquarius, at coordinates RA: 22h 08m 58s", Dec: -18° 31' 10s.
The primary and secondary magnitudes are 5.77 and 8.5. Their separation is 2.7 arcminutes, at position angle 40°. The magnitude difference is 2.73 magnitudes; the primary is approximately 12.4 times brighter.
The following technical data come from the Washington Double Star Catalog.
The primary and secondary magnitudes are 5.77 and 8.5. Their separation is 2.7 arcminutes, at position angle 40°. The magnitude difference is 2.73 magnitudes; the primary is approximately 12.4 times brighter.
The following technical data come from the Washington Double Star Catalog.
Technical details: 22091-1831
| Property | Value |
|---|---|
| System identifier | 22091-1831 |
| System type | quadruple star system |
| Primary star | Aqr-22091-1831 |
| Right ascension (RA) | 22.14969 (22h 08m 58s") |
| Declination (Dec) | -18.51958 (-18° 31' 10s) |
| Primary magnitude | 5.77 |
| Secondary magnitude | 8.5 |
| Spectral type (primary/secondary) | B2III |
| Separation (arcseconds) | 160.0 |
| Position angle | 40° |
| Discovery year | 1873 |
| Last observed | 2020 |
| Primary proper motion (RA, Dec) | +000-008 |
| Secondary proper motion (RA, Dec) | +054-016 |
| Number of observations | 8 |
Components of 22091-1831
| Component | Magnitude | Separation (arcseconds) | Position angle |
| A,BC | 8.5 | 160.0 | 40 |
| AD | 12.44 | 82.2 | 27 |
| BC | 9.24 | 2.0 | 75 |
Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.
Finder Chart for
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| Object name | |
| Field of view | |
| Limiting magnitude | |
| coordinates | 22.14969, -18.51958 |
| Center coordinates | 22.14969, -18.51958 |
22091-1831 Passage Through Night
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Current position of 22091-1831
| Time | 07:56 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | -40° |
| Azimuth | 276° |
Here you can see the current position of 22091-1831 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.
Annual motion of 22091-1831
22091-1831 will remain visible until December 21, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Tue, 18 August 2026 |
| Twilight start | 19:28 |
| Twilight end | 02:44 |
| Twilight duration | 7h 17m |
| Rise | 18:30 |
| Set | 04:29 |
| Elevation at transit | 34° |
| Transit time | 23:29 |
| Equatorial coordinates | RA: 22h 08m 58s", Dec: -18° 31' 10s |
| Magnitude | 6 |
| Constellation | Aquarius |
The graph illustrates the annual visibility pattern of 22091-1831, 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 view detailed visibility information in a table with exact rise, transit, and set times for each date.
You can also view detailed visibility information in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of 22091-1831
Coordinates and Visibility
| Right Ascension | 22.14969° |
| Declination | -18.51958° |
| Magnitude | 5.77 |
| Constellation | Aquarius |
| Elevation | -39.6° |
| Azimuth | 276.5° |