16458+0835 Position and Visibility Tonight
Where is 16458+0835 right now?
16458+0835 is located in the constellation Hercules. It is currently below the horizon and is not visible from your location.
Twilight begins at 18:21 local time. At that moment, 16458+0835 will be 53° above the horizon toward the south-west.
Twilight begins at 18:21 local time. At that moment, 16458+0835 will be 53° above the horizon toward the south-west.
16458+0835 visibility on 2026-09-10
16458+0835 Visible from sunset until before midnight
16458+0835 rise and set timetable
| Time | Elevation | |
Moonrise, 5.8% illuminated  | 03:03 | -39° |
| 16458+0835 transit | 16:37 | 61° |
| Moonset | 16:43 | 61° |
| Sunset | 17:23 | 59° |
| Civil sunset | 17:50 | 57° |
| Twilight start (−12°) | 18:21 | 53° |
| Astronomical observing session begins | 18:53 | 48° |
| 16458+0835 set | 23:02 | |
| Astronomical observing session ends | 03:16 | -41° |
| 16458+0835 rise | 10:07 |
Track 16458+0835 position throughout the night
← 10 September 2026 →
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Star system description: 16458+0835
System 16458+0835 — triple star system, is located in the constellation Hercules, at coordinates RA: 16h 45m 49s", Dec: 08° 34' 57s.
The primary and secondary magnitudes are 5.33 and 9.29. Their separation is 1.2 arcminute, at position angle 231°. The magnitude difference is 3.96 magnitudes; the primary is approximately 38.4 times brighter.
The following technical data come from the Washington Double Star Catalog.
The primary and secondary magnitudes are 5.33 and 9.29. Their separation is 1.2 arcminute, at position angle 231°. The magnitude difference is 3.96 magnitudes; the primary is approximately 38.4 times brighter.
The following technical data come from the Washington Double Star Catalog.
Technical details: 16458+0835
| Property | Value |
|---|---|
| System identifier | 16458+0835 |
| System type | triple star system |
| Primary star | 43 Her |
| Right ascension (RA) | 16.76383 (16h 45m 49s") |
| Declination (Dec) | 8.58258 (08° 34' 57s) |
| Primary magnitude | 5.33 |
| Secondary magnitude | 9.29 |
| Spectral type (primary/secondary) | K5III |
| Separation (arcseconds) | 74.6 |
| Position angle | 231° |
| Discovery year | 1783 |
| Last observed | 2016 |
| Primary proper motion (RA, Dec) | -002+015 |
| Secondary proper motion (RA, Dec) | -007-008 |
| Number of observations | 28 |
Components of 16458+0835
| Component | Magnitude | Separation (arcseconds) | Position angle |
| AB | 9.29 | 74.6 | 231 |
| BC | 12.38 | 98.9 | 134 |
Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.
Finder Chart for 16458+0835
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| Object name | 16458+0835 |
| Field of view | |
| Limiting magnitude | |
| 16458+0835 coordinates | 16.76383, 8.58258 |
| Center coordinates | 16.76383, 8.58258 |
16458+0835 Passage Through Night
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Current position of 16458+0835
| Time | 07:19 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | -31° |
| Azimuth | 48° |
Here you can see the current position of 16458+0835 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 16458+0835 Visible Throughout the Year?
16458+0835 will remain visible until November 1, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Thu, 10 September 2026 |
| Astronomical observing session begins | 18:49 |
| Astronomical observing session ends | 03:10 |
| Astronomical observing duration | 8h 21m |
| Rise | 10:07 |
| Set | 22:58 |
| Elevation at transit | 61° |
| Transit time | 16:33 |
| Equatorial coordinates | RA: 16h 45m 49s", Dec: 08° 34' 57s |
| Magnitude | 5 |
| Constellation | Hercules |
The graph illustrates the annual visibility pattern of 16458+0835, 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 16458+0835 is visible throughout the year in a table with exact rise, transit, and set times for each date.
You can also see when 16458+0835 is visible throughout the year in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of 16458+0835
Coordinates and Visibility
| Right Ascension | 16h 45m 50s |
| Declination | 08° 34′ 57″ |
| Magnitude | 5.33 |
| Constellation | Hercules |
| Elevation | -30.7° |
| Azimuth | 47.8° |