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Sky-Tonight.com / Double stars / 23473-1155 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

23473-1155 Position and Visibility Tonight

23473-1155

Where is 23473-1155 right now?

23473-1155 is located in the constellation Aquarius. Although 23473-1155 is currently 10° above the horizon, it is not visible because it is daytime.

23473-1155 visibility on 2026-08-18

23473-1155 Visible from early morning until sunrise

23473-1155 rise and set timetable

TimeElevation
Moonrise, 21% illuminated 09:49-39°
Astronomical observing session begins19:32-3°
23473-1155 rise19:45
Moonset20:268°
23473-1155 transit01:0741°
Astronomical observing session ends02:5135°
Twilight end03:2631°
Civil sunrise03:5926°
Sunrise04:2822°
23473-1155 set06:29

Track 23473-1155 Position Throughout the Night

← 18 August 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 23473-1155 changing position in the night sky.

Star system description: 23473-1155

System 23473-1155 — double star system, is located in the constellation Aquarius, at coordinates RA: 23h 47m 15s", Dec: -11° 54' 40s.
The primary and secondary magnitudes are 5.7 and 9.7. Their separation is 2.5 arcminutes, at position angle 156°. The magnitude difference is 4 magnitudes; the primary is approximately 39.8 times brighter.
The following technical data come from the Washington Double Star Catalog.

Technical details: 23473-1155

Property Value
System identifier 23473-1155
System type double star system
Primary star Aqr-23473-1155
Right ascension (RA) 23.78775 (23h 47m 15s")
Declination (Dec) -11.91114 (-11° 54' 40s)
Primary magnitude 5.7
Secondary magnitude 9.7
Spectral type (primary/secondary) K0III
Separation (arcseconds) 148.4
Position angle 156°
Discovery year 1989
Last observed 2010
Primary proper motion (RA, Dec) -048-094
Secondary proper motion (RA, Dec) -046-080
Number of observations 5

Notes

  • V: Proper motion indicates a physical pair.
  • Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.

    Finder Chart for

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    Object name
    Field of view
    Limiting magnitude
    coordinates23.78775, -11.91114
    Center coordinates23.78775, -11.91114

    23473-1155 Passage Through Night

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    Current position of 23473-1155

    Time05:38
    Latitude37.3541
    Longitude-121.955
    Elevation10°
    Azimuth246°
    Here you can see the current position of 23473-1155 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 23473-1155


    23473-1155 will remain visible until January 22, when it moves too close to the Sun and temporarily disappears from the night sky.
    Time
    DateTue, 18 August 2026
    Twilight start19:28
    Twilight end02:44
    Twilight duration7h 17m
    Rise19:45
    Set06:29
    Elevation at transit41°
    Transit time01:07
    Equatorial coordinatesRA: 23h 47m 15s", Dec: -11° 54' 40s
    Magnitude6
    ConstellationAquarius
    The graph illustrates the annual visibility pattern of 23473-1155, 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 23473-1155

    Coordinates and Visibility

    Right Ascension23.78775°
    Declination-11.91114°
    Magnitude5.7
    ConstellationAquarius
    Elevation10.5°
    Azimuth246.1°