Double Star 18208+7120 Observation Details
18208+7120 Daily Motion
18208+7120 is circumpolar, never setting below the horizon and always visible in the night sky from your location. However, it will change its position significantly, moving 37 degrees over time. You can find the best times to observe 18208+7120, when it reaches its highest elevation, in the annual motion section.18208+7120 will be visible throughout the entire year. However, it will change its position significantly, moving 37 degrees over time. You can find the best times to observe 18208+7120, when it reaches its highest elevation, in the annual motion section.
18208+7120 Visibility Timetable on June 19
18208+7120 Rise and Set Timetable
| Time | Elevation | |
| 18208+7120 is always above the horizon | ||
| Sunset | 21:02 | 42° |
| Civil sunset | 21:36 | 45° |
| Astrosession begin | 23:06 | 52° |
| 18208+7120 is always above the horizon | ||
| Moon Rise, 45.2% illuminated | 01:45 | 59° |
| 18208+7120 transit | 02:01 | 59° |
| Astrosession end | 03:59 | 55° |
| Civil sunrise | 05:30 | 49° |
| Sunrise | 06:04 | 47° |
| Moon Set | 14:38 | 22° |
Track 18208+7120 Position Throughout the Night
← Thu, 19 June 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe 18208+7120 changing position in the night sky.
18208+7120 Star System Description
18208+7120 is Triple Star System located in constellation Draco at coordinates RA: 18h 20m 45s", Dec: 71° 20' 15s.
The primary component has a magnitude of 4.46, while the secondary component has a magnitude of 5.90. They are separated by 0.6 arcseconds at a position angle of 69 degrees. The brightness difference between the two components is 1.44 magnitudes, with the primary component being approximately 3.8 times brighter than the secondary.
The primary and secondary stars are both blue-white in color
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.
The primary component has a magnitude of 4.46, while the secondary component has a magnitude of 5.90. They are separated by 0.6 arcseconds at a position angle of 69 degrees. The brightness difference between the two components is 1.44 magnitudes, with the primary component being approximately 3.8 times brighter than the secondary.
The primary and secondary stars are both blue-white in color
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 18208+7120
| Property | Value |
|---|---|
| Star System Identifier | 18208+7120 |
| System Type | Triple Star System |
| Primary Star | phi Dra |
| Right Ascension (RA) | 18.34594 (18h 20m 45s") |
| Declination (Dec) | 71.33772 (71° 20' 15s) |
| Magnitude (Primary) | 4.46 |
| Magnitude (Secondary) | 5.90 |
| Spectral Type (Primary/Secondary) | B7V+B9V (blue-white/blue-white) |
| Separation (Arcseconds) | 0.6 |
| Position Angle | 69° |
| Discovery Year | 1843 |
| Last Observed | 2021 |
| Primary Proper Motion (Ra, Dec) | -005+036 |
| Secondary Proper Motion (Ra, Dec) | |
| Number of Observations | 97 |
18208+7120 Components
| Component | Magnitude | Separation (arcseconds) | Position Angle |
| AB | 5.90 | 0.6 | 69 |
| AB,C | 12.7 | 70.8 | 115 |
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 phi Dra
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| Object name | 18208+7120 |
| Field of view | |
| Limiting magnitude | |
| 18208+7120 coordinates | 18.34594, 71.33772 |
| Center coordinates | 18.34594, 71.33772 |
18208+7120 Passage Through Night
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Current position of 18208+7120
| Time | 10:01 |
| Latitude | 39.9625 |
| Longitude | -83.0061 |
| 18208+7120 elevation | 29° |
| 18208+7120 Azimuth | 19° |
Here you can see the current position of the 18208+7120 on the map, as well as its positions for rise and set. This tool allows you to track the 18208+7120's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 18208+7120
| Date | Thu, 19 June 2025 |
| Twighlight start | 23:02 |
| Twighlight end | 03:54 |
| Twighlight duration | 5h 52m |
| Rise | 18208+7120 is always up |
| Set | 18208+7120 is always up |
| Elevation at transit | 59° |
| Transit time | 02:01 |
| Equatorial coordinates | RA: 18h 20m 45s", Dec: 71° 20' 15s |
| Magnitude | 4 |
| Constellation | Draco |
The graph illustrates the annual visibility pattern of a 18208+7120, 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 18208+7120 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.
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 18208+7120 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.