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Sky-Tonight.com / Double Stars / 04306+1542 Star System
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Observation Settings

Or select it on the map:
This Earth map fragment is intended to illustrate celestial motion across the sky, emphasizing both bearing and elevational perspectives. The map's center point corresponds to the transit, showcasing celestial objects at their highest point, while elevation gradually decreases towards the map edges. This dynamic representation offers insights into the changing positions of celestial bodies with a focus on their bearing and elevational trajectories.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

Double Star 04306+1542 Observation Details

04306+1542

04306+1542 Daily Motion


04306+1542 will be visible until April, 12, when it will move too close to the Sun. During this time, its proximity to the Sun will cause it to disappear from the night sky, making it unobservable for a while.

04306+1542 Visibility Timetable on November 07

04306+1542 Rise and Set Timetable

TimeElevation
Moon Rise, 96.3% illuminated15:48-10°
Astrosession begin16:33-2°
04306+1542 rise16:42
04306+1542 transit23:3168°
Astrosession end03:1037°
Civil sunrise04:1125°
Sunrise04:4019°
04306+1542 set06:19
Moon Set07:33-13°

Track 04306+1542 Position Throughout the Night

← Fri, 7 November 2025 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 04306+1542 changing position in the night sky.

Where is 04306+1542 right now?

04306+1542 is located in the constellation Taurus, at right ascension 04h 30m 34s" and declination 15° 44' 02s. At the current time, it is below the horizon and not visible from your location.

04306+1542 Star System Description

04306+1542 is 7-star Star System located in constellation Taurus at coordinates RA: 04h 30m 34s", Dec: 15° 44' 02s.
The primary component has a magnitude of 5.6, while the secondary component has a magnitude of 8.3. They are separated by 0 arcseconds at a position angle of 354 degrees. The brightness difference between the two components is 2.7 magnitudes, with the primary component being approximately 12 times brighter than the secondary.
Below is a table with star system details from the Washington Double Star (WDS) Catalog. This catalog is a comprehensive source of information on double and multiple star systems, providing key data on the positions, magnitudes, and separations of stellar components.

Technical Details of Star System 04306+1542

Property Value
Star System Identifier 04306+1542
System Type 7-star Star System
Primary Star 81 Tau
Right Ascension (RA) 4.50967 (04h 30m 34s")
Declination (Dec) 15.734 (15° 44' 02s)
Magnitude (Primary) 5.6
Magnitude (Secondary) 8.3
Spectral Type (Primary/Secondary) K0
Separation (Arcseconds) 0.0
Position Angle 354°
Discovery Year 2020
Last Observed 2022
Primary Proper Motion (Ra, Dec) +101-025
Secondary Proper Motion (Ra, Dec)
Number of Observations 7

04306+1542 Components

ComponentMagnitudeSeparation (arcseconds)Position Angle
Ca,Cb8.30.0354
CH8.94161.8339
CI5.70479.1246
CJ9.77396.237
HK11.42999.9127
KL8.74999.940

The data presented in this table is sourced from the Washington Double Star (WDS) Catalog, a comprehensive repository of double and multiple star system information maintained by the U.S. Naval Observatory. We thank the WDS team for their continued efforts in providing accurate and detailed astronomical data.

Finder Chart for 81 Tau

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Object name04306+1542
Field of view
Limiting magnitude
04306+1542 coordinates4.50967, 15.734
Center coordinates4.50967, 15.734

04306+1542 Passage Through Night

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Current position of 04306+1542

Time12:38
Latitude37.3541
Longitude-121.955
04306+1542 elevation-35°
04306+1542 Azimuth-19°
Here you can see the current position of the 04306+1542 on the map, as well as its positions for rise and set. This tool allows you to track the 04306+1542's movement throughout the night, providing you with accurate and up-to-date information.

Annual motion of 04306+1542

Time
DateFri, 7 November 2025
Twighlight start16:29
Twighlight end03:03
Twighlight duration11h 34m
Rise16:38
Set06:15
Elevation at transit68°
Transit time23:27
Equatorial coordinatesRA: 04h 30m 34s", Dec: 15° 44' 02s
Magnitude6
ConstellationTaurus
The graph illustrates the annual visibility pattern of a 04306+1542, providing a comprehensive overview of its daily appearances and transit times throughout the year.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the 04306+1542 is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.

Astrometric & Physical Parameters of 04306+1542

Coordinates & Visibility

Right Ascension4.50967°
Declination15.734°
Magnitude5.6
ConstellationTaurus
Elevation-34.7°
Azimuth-19.2°