Sky Tonight
ST
Location settings
Santa Clara, US
37.4°/-122°
GMT -9
Waxing18:44 - 03:35
  ⌕
☾
☰
Sky-Tonight.com / Double stars / 18015+2136 star system
  • 🌐 EN
    ENDEESFRPT中文
  • Tonight
    • Brightest Planets and Stars Tonight
  • Solar System
    • Sun
    • Real-Time Sun Map
    • Sunspots Activity
    • Aurora Activity
    • Moon
    • Interactive Lunar Map
    • Planets
    • Mercury
    • Venus
    • Mars
    • Jupiter
    • Saturn
    • Satellite Flyovers
    • ISS
    • Close Approaches
  • Small Bodies
    • Asteroids
    • Comets
    • Recently Updated Comets
  • Stars
    • Brightest Stars
  • Meteor Showers
    • Active Meteor Showers
    • Major Meteor Showers
  • Solar Eclipses
    • Future Solar Eclipses
    • Past Solar Eclipses
  • Lunar Eclipses
    • Future Lunar Eclipses
    • Past Lunar Eclipses
  • Deep Sky Objects
    • Seasonal Nebulae
    • Messier Objects
    • Nebulae
    • Star Clusters
    • Galaxies
  • Double Stars
    • Naked-eye
    • Binocular
    • Physical pairs
    • Color-contrasting
    • Triple systems
    • Multiple systems
  • Constellations
    • Visible Tonight
    • Seasonal
    • Ecliptic
    • All 88 Constellations
  • Maps
    • Sky Map
    • Mars Map
    • Mercury Map
    • Earth
    • Cloud Cover Map
  • Contact Us
    • Feedback

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

18015+2136 Position and Visibility Tonight

18015+2136

Where is 18015+2136 right now?

18015+2136 is located in the constellation Hercules. Although 18015+2136 is currently 64° above the horizon, it is not visible because it is daytime.
Twilight begins at 18:44 local time. At that moment, 18015+2136 will be 74° above the horizon toward the south.

18015+2136 visibility on 2026-08-27

18015+2136 Visible from sunset until early morning

18015+2136 rise and set timetable

TimeElevation
18015+2136 rise11:38
Moonrise, 98.6% illuminated 17:0964°
Sunset17:4369°
Civil sunset18:1172°
Twilight start18:4474°
18015+2136 transit18:4774°
Astronomical observing session begins19:1773°
18015+2136 set01:56
Astronomical observing session ends03:01-11°
Moonset04:01-19°

Track 18015+2136 Position Throughout the Night

← 27 August 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 18015+2136 changing position in the night sky.

Star system description: 18015+2136

System 18015+2136 — double star system, is located in the constellation Hercules, at coordinates RA: 18h 01m 30s", Dec: 21° 35' 44s.
The primary and secondary magnitudes are 4.85 and 5.20. Their separation is 6.1 arcseconds, at position angle 266°. The magnitude difference is 0.35 magnitudes; the primary is approximately 1.4 times brighter.
The following technical data come from the Washington Double Star Catalog.

Technical details: 18015+2136

Property Value
System identifier 18015+2136
System type double star system
Primary star 95 Her
Right ascension (RA) 18.02511 (18h 01m 30s")
Declination (Dec) 21.59578 (21° 35' 44s)
Primary magnitude 4.85
Secondary magnitude 5.20
Spectral type (primary/secondary) A5IIIn
Separation (arcseconds) 6.1
Position angle 266°
Discovery year 1780
Last observed 2023
Primary proper motion (RA, Dec) +008+040
Secondary proper motion (RA, Dec) +008+039
Number of observations 284

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 95 Her

    Double-click to unlock the map.
    Object name95 Her
    Field of view
    Limiting magnitude
    95 Her coordinates18.02511, 21.59578
    Center coordinates18.02511, 21.59578

    18015+2136 Passage Through Night

    Double-click to unlock the map.

    Current position of 18015+2136

    Time17:13
    Latitude37.3541
    Longitude-121.955
    Elevation64°
    Azimuth121°
    Here you can see the current position of 18015+2136 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 18015+2136


    18015+2136 will remain visible until December 4, when it moves too close to the Sun and temporarily disappears from the night sky.
    Time
    DateFri, 28 August 2026
    Twilight start19:15
    Twilight end03:00
    Twilight duration8h 45m
    Rise11:34
    Set01:52
    Elevation at transit74°
    Transit time18:43
    Equatorial coordinatesRA: 18h 01m 30s", Dec: 21° 35' 44s
    Magnitude5
    ConstellationHercules
    The graph illustrates the annual visibility pattern of 18015+2136, 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 18015+2136

    Coordinates and Visibility

    Right Ascension18.02511°
    Declination21.59578°
    Magnitude4.85
    ConstellationHercules
    Elevation64.2°
    Azimuth120.9°