Sky Tonight
ST
Location settings
OH, US
40°/-83°
GMT -4
Waning21:47 - 05:29
🔎
☰
Sky-Tonight.com / Double Stars / 21193+5837 Star System
  • Tonight
    • Brightest Objects
  • Solar System
    • Sun
    • Moon
    • Planets
    • Mercury
    • Venus
    • Mars
    • Jupiter
    • Saturn
    • Satellite Flyovers
    • ISS
  • Small Bodies
    • Asteroids
    • 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
    • Summer Nebulae
    • Messier Objects
    • Nebulae
    • Star Clusters
    • Galaxies
  • Double Stars
    • Naked-Eye
    • Binocular
    • Physical
    • Color-Contrasting
    • Triple Star Systems
    • Multiple Star Systems
  • Constellations
    • Visible Tonight
    • Seasonal
    • Ecliptic
    • All 88 Constellations
  • Maps
    • Lunar map
    • Mars map
    • Mercury map
    • Earth
    • Cloud Cover Map
    • Aurora Activity
  • Contact Us
    • Feedback

Observation Settings

Or select it on the map:
This Earth map fragment is intended to illustrate celestial motion across the sky, emphasizing both bearing and elevational perspectives. The map's center point corresponds to the transit, showcasing celestial objects at their highest point, while elevation gradually decreases towards the map edges. This dynamic representation offers insights into the changing positions of celestial bodies with a focus on their bearing and elevational trajectories.
Your location: Columbus, United States
Timezone:
Latitude:
39.9625
Longitude:
-83.0061

Double Star 21193+5837 Observation Details

21193+5837

21193+5837 Daily Motion

21193+5837 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 63 degrees over time. You can find the best times to observe 21193+5837, when it reaches its highest elevation, in the annual motion section.
21193+5837 will be visible throughout the entire year. However, it will change its position significantly, moving 63 degrees over time. You can find the best times to observe 21193+5837, when it reaches its highest elevation, in the annual motion section.

21193+5837 Visibility Timetable on August 06

21193+5837 Rise and Set Timetable

TimeElevation
21193+5837 is always above the horizon
Moon Rise, 87.7% illuminated18:3424°
Sunset20:3939°
Civil sunset21:1043°
Astrosession begin22:2653°
21193+5837 is always above the horizon
21193+5837 transit01:5171°
Moon Set03:1867°
Astrosession end04:4956°
Civil sunrise06:0546°
Sunrise06:3642°

Track 21193+5837 Position Throughout the Night

← Wed, 6 August 2025 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 21193+5837 changing position in the night sky.

21193+5837 Star System Description

21193+5837 is 5-star Star System located in constellation Cepheus at coordinates RA: 21h 19m 15s", Dec: 58° 37' 24s.
The primary component has a magnitude of 5.90, while the secondary component has a magnitude of 9.27. They are separated by 3 arcseconds at a position angle of 35 degrees. The brightness difference between the two components is 3.37 magnitudes, with the primary component being approximately 22.3 times brighter than the secondary.
The primary star is red in color, and the secondary star is blue-white.
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 21193+5837

Property Value
Star System Identifier 21193+5837
System Type 5-star Star System
Primary Star Cep-21193 5837
Right Ascension (RA) 21.321 (21h 19m 15s")
Declination (Dec) 58.6235 (58° 37' 24s)
Magnitude (Primary) 5.90
Magnitude (Secondary) 9.27
Spectral Type (Primary/Secondary) M1I+B2+B3 (red/blue-white)
Separation (Arcseconds) 3.0
Position Angle 35°
Discovery Year 1981
Last Observed 2006
Primary Proper Motion (Ra, Dec) -004-003
Secondary Proper Motion (Ra, Dec)
Number of Observations 29

21193+5837 Components

ComponentMagnitudeSeparation (arcseconds)Position Angle
AB9.273.035
Aa,Ab7.420.1120
AC15.215.4183
AD10.0774.5351

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

Double-click to unlock the map.
Object name21193+5837
Field of view
Limiting magnitude
21193+5837 coordinates21.321, 58.6235
Center coordinates21.321, 58.6235

21193+5837 Passage Through Night

Double-click to unlock the map.

Current position of 21193+5837

Time11:05
Latitude39.9625
Longitude-83.0061
21193+5837 elevation15°
21193+5837 Azimuth21°
Here you can see the current position of the 21193+5837 on the map, as well as its positions for rise and set. This tool allows you to track the 21193+5837's movement throughout the night, providing you with accurate and up-to-date information.

Annual motion of 21193+5837

Time
DateWed, 6 August 2025
Twighlight start22:22
Twighlight end04:43
Twighlight duration6h 21m
Rise21193+5837 is always up
Set21193+5837 is always up
Elevation at transit71°
Transit time01:51
Equatorial coordinatesRA: 21h 19m 15s", Dec: 58° 37' 24s
Magnitude6
ConstellationCepheus
The graph illustrates the annual visibility pattern of a 21193+5837, 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 21193+5837 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.