05031+2135 Position and Visibility Tonight
Where is 05031+2135 right now?
05031+2135 is located in the constellation Taurus. It is currently above the horizon at an altitude of 57° toward the south-east, with an apparent magnitude of 5.4.
05031+2135 visibility on 2026-08-21
05031+2135 Visible from early morning until sunrise
05031+2135 rise and set timetable
| Time | Elevation | |
Moonrise, 49% illuminated  | 12:56 | 5° |
| Astronomical observing session begins | 19:27 | -28° |
| Moonset | 22:12 | -8° |
| 05031+2135 rise | 23:01 | |
| Astronomical observing session ends | 02:54 | 45° |
| Twilight end | 03:29 | 52° |
| Civil sunrise | 04:01 | 58° |
| Sunrise | 04:30 | 63° |
| 05031+2135 transit | 06:11 | 74° |
Track 05031+2135 Position Throughout the Night
← 21 August 2026 →
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Star system description: 05031+2135
System 05031+2135 — double star system, is located in the constellation Taurus, at coordinates RA: 05h 03m 05s", Dec: 21° 35' 24s.
The primary and secondary magnitudes are 5.4 and 5.4. Their separation is 0.1 arcseconds, at position angle -1°. The magnitude difference is 0 magnitudes; the primary is approximately 1 times brighter.
The following technical data come from the Washington Double Star Catalog.
The primary and secondary magnitudes are 5.4 and 5.4. Their separation is 0.1 arcseconds, at position angle -1°. The magnitude difference is 0 magnitudes; the primary is approximately 1 times brighter.
The following technical data come from the Washington Double Star Catalog.
Technical details: 05031+2135
| Property | Value |
|---|---|
| System identifier | 05031+2135 |
| System type | double star system |
| Primary star | iot Tau |
| Right ascension (RA) | 5.05158 (05h 03m 05s") |
| Declination (Dec) | 21.59006 (21° 35' 24s) |
| Primary magnitude | 5.4 |
| Secondary magnitude | 5.4 |
| Spectral type (primary/secondary) | A7V |
| Separation (arcseconds) | 0.1 |
| Position angle | -1° |
| Discovery year | 1956 |
| Last observed | 1956 |
| Primary proper motion (RA, Dec) | +068-041 |
| Secondary proper motion (RA, Dec) | |
| Number of observations | 0 |
Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.
Finder Chart for iot Tau
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| Object name | iot Tau |
| Field of view | |
| Limiting magnitude | |
| iot Tau coordinates | 5.05158, 21.59006 |
| Center coordinates | 5.05158, 21.59006 |
05031+2135 Passage Through Night
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Current position of 05031+2135
| Time | 04:02 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 57° |
| Azimuth | 109° |
Here you can see the current position of 05031+2135 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 05031+2135
05031+2135 will remain visible until April 22, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Fri, 21 August 2026 |
| Twilight start | 19:23 |
| Twilight end | 02:48 |
| Twilight duration | 7h 25m |
| Rise | 23:01 |
| Set | 13:20 |
| Elevation at transit | 74° |
| Transit time | 06:11 |
| Equatorial coordinates | RA: 05h 03m 05s", Dec: 21° 35' 24s |
| Magnitude | 5 |
| Constellation | Taurus |
The graph illustrates the annual visibility pattern of 05031+2135, 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 05031+2135
Coordinates and Visibility
| Right Ascension | 5.05158° |
| Declination | 21.59006° |
| Magnitude | 5.4 |
| Constellation | Taurus |
| Elevation | 57.2° |
| Azimuth | 109.3° |