04393+1555 Position and Visibility Tonight
Where is 04393+1555 right now?
04393+1555 is located in the constellation Taurus. It is currently below the horizon and is not visible from your location.
04393+1555 visibility on 2026-09-05
04393+1555 Visible from early morning until sunrise
04393+1555 rise and set timetable
| Time | Elevation | |
| Astronomical observing session begins | 19:02 | -28° |
| 04393+1555 rise | 21:59 | |
Moonrise, 42.4% illuminated  | 22:14 | 3° |
| Astronomical observing session ends | 03:11 | 60° |
| Twilight end | 03:43 | 64° |
| Civil sunrise | 04:15 | 67° |
| Sunrise | 04:43 | 69° |
| 04393+1555 transit | 04:48 | 69° |
| Moonset | 14:04 | -25° |
Track 04393+1555 Position Throughout the Night
← 5 September 2026 →
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Star system description: 04393+1555
System 04393+1555 — double star system, is located in the constellation Taurus, at coordinates RA: 04h 39m 16s", Dec: 15° 55' 04s.
The primary and secondary magnitudes are 4.69 and 5.09. Their separation is 7.1 arcminutes, at position angle 192°. The magnitude difference is 0.4 magnitudes; the primary is approximately 1.4 times brighter.
Both components are white.
The following technical data come from the Washington Double Star Catalog.
The primary and secondary magnitudes are 4.69 and 5.09. Their separation is 7.1 arcminutes, at position angle 192°. The magnitude difference is 0.4 magnitudes; the primary is approximately 1.4 times brighter.
Both components are white.
The following technical data come from the Washington Double Star Catalog.
Technical details: 04393+1555
| Property | Value |
|---|---|
| System identifier | 04393+1555 |
| System type | double star system |
| Primary star | sig 2 Tau |
| Right ascension (RA) | 4.65458 (04h 39m 16s") |
| Declination (Dec) | 15.91797 (15° 55' 04s) |
| Primary magnitude | 4.69 |
| Secondary magnitude | 5.09 |
| Spectral type (primary/secondary) | A5Vn+A4m (white/white) |
| Separation (arcseconds) | 427.4 |
| Position angle | 192° |
| Discovery year | 1836 |
| Last observed | 2014 |
| Primary proper motion (RA, Dec) | +083-019 |
| Secondary proper motion (RA, Dec) | +042-067 |
| Number of observations | 42 |
Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.
Finder Chart for sig 2 Tau
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| Object name | sig 2 Tau |
| Field of view | |
| Limiting magnitude | |
| sig 2 Tau coordinates | 4.65458, 15.91797 |
| Center coordinates | 4.65458, 15.91797 |
04393+1555 Passage Through Night
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Current position of 04393+1555
| Time | 16:11 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | -36° |
| Azimuth | 348° |
Here you can see the current position of 04393+1555 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 04393+1555 Visible Throughout the Year?
04393+1555 will remain visible until April 14, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Sun, 6 September 2026 |
| Twilight start | 19:00 |
| Twilight end | 03:10 |
| Twilight duration | 8h 10m |
| Rise | 21:59 |
| Set | 11:37 |
| Elevation at transit | 69° |
| Transit time | 04:48 |
| Equatorial coordinates | RA: 04h 39m 16s", Dec: 15° 55' 04s |
| Magnitude | 5 |
| Constellation | Taurus |
The graph illustrates the annual visibility pattern of 04393+1555, 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 04393+1555 is visible throughout the year in a table with exact rise, transit, and set times for each date.
You can also see when 04393+1555 is visible throughout the year in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of 04393+1555
Coordinates and Visibility
| Right Ascension | 04h 39m 16s |
| Declination | 15° 55′ 05″ |
| Magnitude | 4.69 |
| Constellation | Taurus |
| Elevation | -35.9° |
| Azimuth | 348.4° |