Double Star 20585+5028 Position and Visibility Tonight
Where is 20585+5028 right now?
20585+5028 is located in the constellation Cygnus. Although it is currently above the horizon at an altitude of 77 degrees, 20585+5028 is not visible because it is daytime.
20585+5028 Visibility on April 25
20585+5028 is visible in the early morning sky until sunrise
20585+5028 Rise and Set Timetable
| Time | Elevation | |
Moon Rise, 48.9% illuminated  | 11:04 | 35° |
| 20585+5028 rise | 19:23 | |
| Astrosession begin | 19:27 | 0° |
| Moon Set | 01:21 | 41° |
| Astrosession end | 02:44 | 54° |
| Twighlight end | 03:19 | 60° |
| Civil sunrise | 03:52 | 65° |
| Sunrise | 04:21 | 69° |
| 20585+5028 transit | 05:51 | 77° |
Track 20585+5028 Position Throughout the Night
← Sat, 25 April 2026 →
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Shift the map to change the time and observe 20585+5028 changing position in the night sky.
20585+5028 Star System Description
20585+5028 is Quadruple Star System located in constellation Cygnus at coordinates RA: 20h 58m 30s", Dec: 50° 27' 42s.
The primary component has a magnitude of 5.94, while the secondary component has a magnitude of 6.79. They are separated by 1.2 arcseconds at a position angle of 44 degrees. The brightness difference between the two components is 0.85 magnitudes, with the primary component being approximately 2.2 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.
V: Proper motion or other technique indicates that this pair is physical.
The primary component has a magnitude of 5.94, while the secondary component has a magnitude of 6.79. They are separated by 1.2 arcseconds at a position angle of 44 degrees. The brightness difference between the two components is 0.85 magnitudes, with the primary component being approximately 2.2 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 20585+5028
| Property | Value |
|---|---|
| Star System Identifier | 20585+5028 |
| System Type | Quadruple Star System |
| Primary Star | Cyg-20585 5028 |
| Right Ascension (RA) | 20.975 (20h 58m 30s") |
| Declination (Dec) | 50.46178 (50° 27' 42s) |
| Magnitude (Primary) | 5.94 |
| Magnitude (Secondary) | 6.79 |
| Spectral Type (Primary/Secondary) | B5Vn |
| Separation (Arcseconds) | 1.2 |
| Position Angle | 44° |
| Discovery Year | 1783 |
| Last Observed | 2023 |
| Primary Proper Motion (Ra, Dec) | +005+003 |
| Secondary Proper Motion (Ra, Dec) | +005+003 |
| Number of Observations | 156 |
20585+5028 Components
| Component | Magnitude | Separation (arcseconds) | Position Angle |
| AB | 6.79 | 1.2 | 44 |
| AC | 11.77 | 139.4 | 356 |
| CD | 13.3 | 12.6 | 51 |
Notes
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
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| Object name | 20585+5028 |
| Field of view | |
| Limiting magnitude | |
| 20585+5028 coordinates | 20.975, 50.46178 |
| Center coordinates | 20.975, 50.46178 |
20585+5028 Passage Through Night
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Current position of 20585+5028
| Time | 05:43 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| 20585+5028 elevation | 77° |
| 20585+5028 Azimuth | -9° |
Here you can see the current position of the 20585+5028 on the map, as well as its positions for rise and set. This tool allows you to track the 20585+5028's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 20585+5028
20585+5028 will be visible until January, 28, 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.
| Date | Sat, 25 April 2026 |
| Twighlight start | 19:22 |
| Twighlight end | 02:39 |
| Twighlight duration | 7h 17m |
| Rise | 19:23 |
| Set | 16:20 |
| Elevation at transit | 77° |
| Transit time | 05:51 |
| Equatorial coordinates | RA: 20h 58m 30s", Dec: 50° 27' 42s |
| Magnitude | 6 |
| Constellation | Cygnus |
The graph illustrates the annual visibility pattern of a 20585+5028, 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 20585+5028 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.
You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.
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 20585+5028 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.
You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.
Astrometric & Physical Parameters of 20585+5028
Coordinates & Visibility
| Right Ascension | 20.975° |
| Declination | 50.46178° |
| Magnitude | 5.94 |
| Constellation | Cygnus |
| Elevation | 76.7° |
| Azimuth | -8.8° |