Double Star 01531-0120 Position and Visibility Tonight
Where is 01531-0120 right now?
01531-0120 is located in the constellation Cetus. At the current time, it is below the horizon and not visible from your location.
01531-0120 Visibility on July 18
01531-0120 is visible in the early morning sky until sunrise
01531-0120 Rise and Set Timetable
| Time | Elevation | |
Moon Rise, 9.3% illuminated  | 07:47 | 38° |
| Astrosession begin | 20:14 | -35° |
| Moon Set | 20:45 | -30° |
| 01531-0120 rise | 23:20 | |
| Astrosession end | 02:13 | 33° |
| Twighlight end | 02:54 | 39° |
| Civil sunrise | 03:31 | 44° |
| Sunrise | 04:02 | 48° |
| 01531-0120 transit | 05:15 | 51° |
| 01531-0120 set | 11:10 |
Track 01531-0120 Position Throughout the Night
← Sat, 18 July 2026 →
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Shift the map to change the time and observe 01531-0120 changing position in the night sky.
01531-0120 Star System Description
01531-0120 is Double Star System located in constellation Cetus at coordinates RA: 01h 53m 06s", Dec: -1° 19' 36s.
The primary component has a magnitude of 5.89, while the secondary component has a magnitude of 9.4. They are separated by 4.3 arcseconds at a position angle of 38 degrees. The brightness difference between the two components is 3.51 magnitudes, with the primary component being approximately 25.4 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.
V: Proper motion or other technique indicates that this pair is physical.
The primary component has a magnitude of 5.89, while the secondary component has a magnitude of 9.4. They are separated by 4.3 arcseconds at a position angle of 38 degrees. The brightness difference between the two components is 3.51 magnitudes, with the primary component being approximately 25.4 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 01531-0120
| Property | Value |
|---|---|
| Star System Identifier | 01531-0120 |
| System Type | Double Star System |
| Primary Star | Cet-01531-0120 |
| Right Ascension (RA) | 1.88503 (01h 53m 06s") |
| Declination (Dec) | -1.32694 (-1° 19' 36s) |
| Magnitude (Primary) | 5.89 |
| Magnitude (Secondary) | 9.4 |
| Spectral Type (Primary/Secondary) | G5V |
| Separation (Arcseconds) | 4.3 |
| Position Angle | 38° |
| Discovery Year | 2001 |
| Last Observed | 2002 |
| Primary Proper Motion (Ra, Dec) | -187-349 |
| Secondary Proper Motion (Ra, Dec) | |
| Number of Observations | 2 |
Notes
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
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| Object name | 01531-0120 |
| Field of view | |
| Limiting magnitude | |
| 01531-0120 coordinates | 1.88503, -1.32694 |
| Center coordinates | 1.88503, -1.32694 |
01531-0120 Passage Through Night
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Current position of 01531-0120
| Time | 14:41 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| 01531-0120 elevation | -39° |
| 01531-0120 Azimuth | 306° |
Here you can see the current position of the 01531-0120 on the map, as well as its positions for rise and set. This tool allows you to track the 01531-0120's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 01531-0120
01531-0120 will be visible until February, 27, 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.
| Date | Sat, 18 July 2026 |
| Twighlight start | 20:10 |
| Twighlight end | 02:07 |
| Twighlight duration | 6h 57m |
| Rise | 23:20 |
| Set | 11:10 |
| Elevation at transit | 51° |
| Transit time | 05:15 |
| Equatorial coordinates | RA: 01h 53m 06s", Dec: -1° 19' 36s |
| Magnitude | 6 |
| Constellation | Cetus |
The graph illustrates the annual visibility pattern of a 01531-0120, 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 01531-0120 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.
You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.
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 01531-0120 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.
You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.
Astrometric & Physical Parameters of 01531-0120
Coordinates & Visibility
| Right Ascension | 1.88503° |
| Declination | -1.32694° |
| Magnitude | 5.89 |
| Constellation | Cetus |
| Elevation | -39.1° |
| Azimuth | 305.7° |