23389-4537 Position and Visibility Tonight
Where is 23389-4537 right now?
23389-4537 is located in the constellation Phoenix. It is currently above the horizon at an altitude of 7° toward the south, with an apparent magnitude of 4.74.
Twilight begins at 22:11 local time. At that moment, 23389-4537 will be 7° above the horizon toward the south.
Twilight begins at 22:11 local time. At that moment, 23389-4537 will be 7° above the horizon toward the south.
23389-4537 visibility on 2026-09-26
23389-4537 Visible from before midnight until early morning
23389-4537 rise and set timetable
| Time | Elevation | |
Moonrise, 99.4% illuminated  | 16:26 | -26° |
| Astronomical observing session begins | 18:26 | -9° |
| 23389-4537 rise | 19:51 | |
| 23389-4537 transit | 22:26 | 7° |
| 23389-4537 set | 01:00 | |
| Astronomical observing session ends | 03:32 | -18° |
| Moonset | 04:59 | -31° |
Track 23389-4537 position throughout the night
← 26 September 2026 →
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Star system description: 23389-4537
System 23389-4537 — double star system, is located in the constellation Phoenix, at coordinates RA: 23h 38m 55s", Dec: -45° 36' 42s.
The primary and secondary magnitudes are 4.74 and 7.05. Their separation is 13.4 arcminutes, at position angle 123°. The magnitude difference is 2.31 magnitudes; the primary is approximately 8.4 times brighter.
Both components are white.
The following technical data come from the Washington Double Star Catalog.
V: Proper motion indicates a physical pair.
The primary and secondary magnitudes are 4.74 and 7.05. Their separation is 13.4 arcminutes, at position angle 123°. The magnitude difference is 2.31 magnitudes; the primary is approximately 8.4 times brighter.
Both components are white.
The following technical data come from the Washington Double Star Catalog.
Technical details: 23389-4537
| Property | Value |
|---|---|
| System identifier | 23389-4537 |
| System type | double star system |
| Primary star | Phe-23389-4537 |
| Right ascension (RA) | 23.64878 (23h 38m 55s") |
| Declination (Dec) | -45.61181 (-45° 36' 42s) |
| Primary magnitude | 4.74 |
| Secondary magnitude | 7.05 |
| Spectral type (primary/secondary) | A2V+A7/8 (white/white) |
| Separation (arcseconds) | 803.5 |
| Position angle | 123° |
| Discovery year | 1905 |
| Last observed | 2010 |
| Primary proper motion (RA, Dec) | +071-010 |
| Secondary proper motion (RA, Dec) | +078-019 |
| Number of observations | 5 |
Notes
Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.
Finder Chart for 23389-4537
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| Object name | 23389-4537 |
| Field of view | |
| Limiting magnitude | |
| 23389-4537 coordinates | 23.64878, -45.61181 |
| Center coordinates | 23.64878, -45.61181 |
23389-4537 Passage Through Night
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Current position of 23389-4537
| Time | 22:11 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 7° |
| Azimuth | 177° |
Here you can see the current position of 23389-4537 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.
When Is 23389-4537 Visible Throughout the Year?
23389-4537 will remain visible until January 20, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Sun, 27 September 2026 |
| Astronomical observing session begins | 18:24 |
| Astronomical observing session ends | 03:30 |
| Astronomical observing duration | 9h 6m |
| Rise | 19:47 |
| Set | 00:56 |
| Elevation at transit | 7° |
| Transit time | 22:22 |
| Equatorial coordinates | RA: 23h 38m 55s", Dec: -45° 36' 42s |
| Magnitude | 5 |
| Constellation | Phoenix |
The graph illustrates the annual visibility pattern of 23389-4537, 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 see when 23389-4537 is visible throughout the year in a table with exact rise, transit, and set times for each date.
You can also see when 23389-4537 is visible throughout the year in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of 23389-4537
Coordinates and Visibility
| Right Ascension | 23h 38m 56s |
| Declination | -45° 36′ 43″ |
| Magnitude | 4.74 |
| Constellation | Phoenix |
| Elevation | 7° |
| Azimuth | 177.3° |