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Sky-Tonight.com / Double Stars / 20145+3648 Star System
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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 20145+3648 Observation Details

20145+3648

20145+3648 Daily Motion


20145+3648 will be visible until January, 14, when it will move too close to the Sun. During this time, its proximity to the Sun will cause it to disappear from the night sky, making it unobservable for a while.

20145+3648 Visibility Timetable on May 09

20145+3648 Rise and Set Timetable

TimeElevation
Moon Rise, 87.4% illuminated17:00-10°
20145+3648 rise22:02
Astrosession begin22:212°
Astrosession end04:3566°
Moon Set04:4568°
Civil sunrise05:5281°
Sunrise06:2386°
20145+3648 transit06:3687°

Track 20145+3648 Position Throughout the Night

← Fri, 9 May 2025 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 20145+3648 changing position in the night sky.

20145+3648 Star System Description

20145+3648 is 7-star Star System located in constellation Cygnus at coordinates RA: 20h 14m 31s", Dec: 36° 48' 22s.
The primary component has a magnitude of 4.96, while the secondary component has a magnitude of 6.71. They are separated by 3.5 arcminutes at a position angle of 153 degrees. The brightness difference between the two components is 1.75 magnitudes, with the primary component being approximately 5 times brighter than the secondary.
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 20145+3648

Property Value
Star System Identifier 20145+3648
System Type 7-star Star System
Primary Star 29 Cyg
Right Ascension (RA) 20.24219 (20h 14m 31s")
Declination (Dec) 36.80614 (36° 48' 22s)
Magnitude (Primary) 4.96
Magnitude (Secondary) 6.71
Spectral Type (Primary/Secondary) A2V
Separation (Arcseconds) 212.0
Position Angle 153°
Discovery Year 1887
Last Observed 2016
Primary Proper Motion (Ra, Dec) +070+069
Secondary Proper Motion (Ra, Dec) +001-004
Number of Observations 29

20145+3648 Components

ComponentMagnitudeSeparation (arcseconds)Position Angle
AB6.71212.0153
AC9.99225.223
AE12.239.8343
AF12.545.238
AH12.10.0133
BD10.72216.5120

Notes

  • Y: Statistically different parallax for the components indicates they are non-physical.
  • 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 29 Cyg

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    Object name20145+3648
    Field of view
    Limiting magnitude
    20145+3648 coordinates20.24219, 36.80614
    Center coordinates20.24219, 36.80614

    20145+3648 Passage Through Night

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    Current position of 20145+3648

    Time02:24
    Latitude39.9625
    Longitude-83.0061
    20145+3648 elevation41°
    20145+3648 Azimuth-72°
    Here you can see the current position of the 20145+3648 on the map, as well as its positions for rise and set. This tool allows you to track the 20145+3648's movement throughout the night, providing you with accurate and up-to-date information.

    Annual motion of 20145+3648

    Time
    DateSat, 10 May 2025
    Twighlight start22:18
    Twighlight end04:28
    Twighlight duration6h 10m
    Rise21:58
    Set15:06
    Elevation at transit87°
    Transit time06:32
    Equatorial coordinatesRA: 20h 14m 31s", Dec: 36° 48' 22s
    Magnitude5
    ConstellationCygnus
    The graph illustrates the annual visibility pattern of a 20145+3648, 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 20145+3648 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.