Sky Tonight
ST
Location settings
Santa Clara, US
37.4°/-122°
GMT -10
Waning16:37 - 04:06
🔎
☰
Sky-Tonight.com / Double Stars / 20210-1447 Star System
  • Tonight
    • Brightest Objects
  • Solar System
    • Sun
    • Moon
    • Planets
    • Mercury
    • Venus
    • Mars
    • Jupiter
    • Saturn
    • Satellite Flyovers
    • ISS
    • Close Approaches
  • 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
    • Winter 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: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

Double Star 20210-1447 Observation Details

20210-1447

20210-1447 Daily Motion

Tonight, observing 20210-1447 may prove challenging owing to its low elevation. It will reach its transit at by 09:17 and set before sunset at 14:29. Rising near twilight's end at 04:00, it will fade away by 04:06, peaking at just 1° above the horizon.
20210-1447 will become visible in April, 20. After being too close to the Sun to observe, it will reappear in the night sky. Starting from April, 20, 20210-1447 can be seen again, providing a good opportunity for observation.

20210-1447 Visibility Timetable on February 08

20210-1447 Rise and Set Timetable

TimeElevation
20210-1447 transit09:1738°
20210-1447 set14:29
Astrosession begin17:07-31°
Moon Rise, 61.4% illuminated22:01-65°
Astrosession end03:35-5°
20210-1447 rise04:00
Civil sunrise04:377°
Sunrise05:0512°
Moon Set08:1936°

Track 20210-1447 Position Throughout the Night

← Sun, 8 February 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 20210-1447 changing position in the night sky.

Where is 20210-1447 right now?

20210-1447 is located in the constellation Capricornus, at right ascension 20h 21m 00s" and declination -14° 46' 53s. Although it is currently above the horizon at an altitude of 37 degrees, 20210-1447 is not visible because it is daytime.

20210-1447 Star System Description

20210-1447 is 8-star Star System located in constellation Capricornus at coordinates RA: 20h 21m 00s", Dec: -14° 46' 53s.
The primary component has a magnitude of 3.1, while the secondary component has a magnitude of 6.08. They are separated by 3.4 arcminutes at a position angle of 268 degrees. The brightness difference between the two components is 2.98 magnitudes, with the primary component being approximately 15.6 times brighter than the secondary.
The primary star is yellow-white in color, and the secondary star is 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 20210-1447

Property Value
Star System Identifier 20210-1447
System Type 8-star Star System
Primary Star bet 1 Cap
Right Ascension (RA) 20.35017 (20h 21m 00s")
Declination (Dec) -14.78139 (-14° 46' 53s)
Magnitude (Primary) 3.1
Magnitude (Secondary) 6.08
Spectral Type (Primary/Secondary) F8V+A0 (yellow-white/white)
Separation (Arcseconds) 205.5
Position Angle 268°
Discovery Year 1976
Last Observed 2023
Primary Proper Motion (Ra, Dec) +042+002
Secondary Proper Motion (Ra, Dec)
Number of Observations 17

20210-1447 Components

ComponentMagnitudeSeparation (arcseconds)Position Angle
AB6.08205.5268
Aa,Ab4.90.049
AC8.83227.4134
AD12.96111.7294
Ba,Bb9.140.9106
BC8.83397.4112
DE14.48.0300

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 bet 1 Cap

Double-click to unlock the map.
Object name20210-1447
Field of view
Limiting magnitude
20210-1447 coordinates20.35017, -14.78139
Center coordinates20.35017, -14.78139

20210-1447 Passage Through Night

Double-click to unlock the map.

Current position of 20210-1447

Time09:59
Latitude37.3541
Longitude-121.955
20210-1447 elevation37°
20210-1447 Azimuth167°
Here you can see the current position of the 20210-1447 on the map, as well as its positions for rise and set. This tool allows you to track the 20210-1447's movement throughout the night, providing you with accurate and up-to-date information.

Annual motion of 20210-1447

Time
DateSun, 8 February 2026
Twighlight start17:02
Twighlight end03:30
Twighlight duration10h 27m
Rise04:00
Set14:25
Elevation at transit38°
Transit time09:13
Equatorial coordinatesRA: 20h 21m 00s", Dec: -14° 46' 53s
Magnitude3
ConstellationCapricornus
The graph illustrates the annual visibility pattern of a 20210-1447, 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 20210-1447 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.

Astrometric & Physical Parameters of 20210-1447

Coordinates & Visibility

Right Ascension20.35017°
Declination-14.78139°
Magnitude3.1
ConstellationCapricornus
Elevation36.9°
Azimuth167.2°