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Sky-Tonight.com / Double Stars / 19546-0814 Star System
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Observation Settings

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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: Ashburn, United States
Timezone:
Latitude:
39.0469
Longitude:
-77.4903

Double Star 19546-0814 Observation Details

19546-0814

19546-0814 Daily Motion

19546-0814 will rise at 23:35, during twilight, and will ascend to 42° by the time twilight ends at 04:43.
19546-0814 will be visible until December, 5, 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.

19546-0814 Visibility Timetable on May 21

19546-0814 Rise and Set Timetable

TimeElevation
Astrosession begin22:11-16°
19546-0814 rise23:35
Moon Rise, 41.7% illuminated02:3130°
Astrosession end04:0140°
19546-0814 transit05:0743°
Civil sunrise05:2143°
Sunrise05:5342°
19546-0814 set10:39
Moon Set14:05-39°

Track 19546-0814 Position Throughout the Night

← Wed, 21 May 2025 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 19546-0814 changing position in the night sky.

19546-0814 Star System Description

19546-0814 is Double Star System located in constellation Aquila at coordinates RA: 19h 54m 37s", Dec: -8° 13' 38s.
The primary component has a magnitude of 5.65, while the secondary component has a magnitude of 6.35. They are separated by 29.5 arcseconds at a position angle of 172 degrees. The brightness difference between the two components is 0.7 magnitudes, with the primary component being approximately 1.9 times brighter than the secondary.
The primary and secondary stars are both blue-white in color
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 19546-0814

Property Value
Star System Identifier 19546-0814
System Type Double Star System
Primary Star 57 Aql
Right Ascension (RA) 19.91044 (19h 54m 37s")
Declination (Dec) -8.22731 (-8° 13' 38s)
Magnitude (Primary) 5.65
Magnitude (Secondary) 6.35
Spectral Type (Primary/Secondary) B7Vn+B8V (blue-white/blue-white)
Separation (Arcseconds) 29.5
Position Angle 172°
Discovery Year 1780
Last Observed 2019
Primary Proper Motion (Ra, Dec) +008-026
Secondary Proper Motion (Ra, Dec) +009-029
Number of Observations 104

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 57 Aql

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Object name19546-0814
Field of view
Limiting magnitude
19546-0814 coordinates19.91044, -8.22731
Center coordinates19.91044, -8.22731

19546-0814 Passage Through Night

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Current position of 19546-0814

Time09:14
Latitude39.0469
Longitude-77.4903
19546-0814 elevation16°
19546-0814 Azimuth116°
Here you can see the current position of the 19546-0814 on the map, as well as its positions for rise and set. This tool allows you to track the 19546-0814's movement throughout the night, providing you with accurate and up-to-date information.

Annual motion of 19546-0814

Time
DateWed, 21 May 2025
Twighlight start22:07
Twighlight end03:56
Twighlight duration6h 49m
Rise23:35
Set10:39
Elevation at transit43°
Transit time05:07
Equatorial coordinatesRA: 19h 54m 37s", Dec: -8° 13' 38s
Magnitude6
ConstellationAquila
The graph illustrates the annual visibility pattern of a 19546-0814, 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 19546-0814 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.