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Sky-Tonight.com / Double stars / 18208+7120 star system
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Observation Settings

Or select it on the map:
This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

18208+7120 Position and Visibility Tonight

18208+7120

Where is 18208+7120 right now?

18208+7120 is located in the constellation Draco. Although 18208+7120 is currently 23° above the horizon, it is not visible because it is daytime.
Twilight begins at 18:54 local time. At that moment, 18208+7120 will be 56° above the horizon toward the north.

18208+7120 visibility on 2026-08-21

18208+7120 Visible all night

18208+7120 rise and set timetable

TimeElevation
18208+7120 is always above the horizon
Moonrise, 49% illuminated 12:5632°
Sunset17:5154°
Civil sunset18:2055°
Twilight start18:5356°
Astronomical observing session begins19:2756°
18208+7120 is always above the horizon
18208+7120 transit19:3056°
Moonset22:1250°
Astronomical observing session ends02:5429°
Twilight end03:2927°
Civil sunrise04:0125°
Sunrise04:3023°

Track 18208+7120 Position Throughout the Night

← 21 August 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 18208+7120 changing position in the night sky.

Star system description: 18208+7120

System 18208+7120 — triple star system, is located in the constellation Draco, at coordinates RA: 18h 20m 45s", Dec: 71° 20' 15s.
The primary and secondary magnitudes are 4.46 and 5.90. Their separation is 0.6 arcseconds, at position angle 69°. The magnitude difference is 1.44 magnitudes; the primary is approximately 3.8 times brighter.
Both components are blue-white.
The following technical data come from the Washington Double Star Catalog.

Technical details: 18208+7120

Property Value
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)
Primary magnitude 4.46
Secondary magnitude 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

Components of 18208+7120

ComponentMagnitudeSeparation (arcseconds)Position angle
AB5.900.669
AB,C12.770.8115

Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.

Finder Chart for phi Dra

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Object namephi Dra
Field of view
Limiting magnitude
phi Dra coordinates18.34594, 71.33772
Center coordinates18.34594, 71.33772

18208+7120 Passage Through Night

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Current position of 18208+7120

Time04:31
Latitude37.3541
Longitude-121.955
Elevation23°
Azimuth346°
Here you can see the current position of 18208+7120 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 18208+7120


18208+7120 will be visible throughout the entire year. Its position changes by about 37°. Use the annual motion section to find when 18208+7120 reaches its highest elevation.
Time
DateFri, 21 August 2026
Twilight start19:23
Twilight end02:48
Twilight duration7h 25m
Rise18208+7120 is always up
Set18208+7120 is always up
Elevation at transit56°
Transit time19:30
Equatorial coordinatesRA: 18h 20m 45s", Dec: 71° 20' 15s
Magnitude4
ConstellationDraco
The graph illustrates the annual visibility pattern of 18208+7120, 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.

Astrometric and Physical Parameters of 18208+7120

Coordinates and Visibility

Right Ascension18.34594°
Declination71.33772°
Magnitude4.46
ConstellationDraco
Elevation23.3°
Azimuth345.6°