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Sky-Tonight.com / Double stars / 19546-0814 star system
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Observation Settings

Or select it on the map:
This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

19546-0814 Position and Visibility Tonight

19546-0814

Where is 19546-0814 right now?

19546-0814 is located in the constellation Aquila. It is currently below the horizon and is not visible from your location.
Twilight begins at 18:24 local time. At that moment, 19546-0814 will be 40° above the horizon toward the south-east.
Open the interactive guide to 19546-0814’s position and path tonight

19546-0814 visibility on 2026-09-08

19546-0814 Visible from sunset until early morning

19546-0814 rise and set timetable

TimeElevation
Moonrise, 21% illuminated 00:3511°
19546-0814 rise14:19
Moonset15:3815°
Sunset17:2633°
Civil sunset17:5336°
Twilight start18:2440°
Astronomical observing session begins18:5643°
19546-0814 transit19:5344°
19546-0814 set01:27
Astronomical observing session ends03:14-21°

Track 19546-0814 Position Throughout the Night

← 8 September 2026 →

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

Star system description: 19546-0814

System 19546-0814 — double star system, is located in the constellation Aquila, at coordinates RA: 19h 54m 37s", Dec: -8° 13' 38s.
The primary and secondary magnitudes are 5.65 and 6.35. Their separation is 29.5 arcseconds, at position angle 172°. The magnitude difference is 0.7 magnitudes; the primary is approximately 1.9 times brighter.
Both components are blue-white.
The following technical data come from the Washington Double Star Catalog.

Technical details: 19546-0814

Property Value
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)
Primary magnitude 5.65
Secondary magnitude 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

Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.

Finder Chart for 57 Aql

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Object name57 Aql
Field of view
Limiting magnitude
57 Aql coordinates19.91044, -8.22731
Center coordinates19.91044, -8.22731

19546-0814 Passage Through Night

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Current position of 19546-0814

Time14:17
Latitude37.3541
Longitude-121.955
Elevation-0°
Azimuth100°
Here you can see the current position of 19546-0814 on the map, as well as its positions for rise and set. This tool lets you track its movement throughout the night with accurate, up-to-date information.

When Is 19546-0814 Visible Throughout the Year?


19546-0814 will remain visible until December 6, when it moves too close to the Sun and temporarily disappears from the night sky.
Time
DateTue, 8 September 2026
Twilight start18:52
Twilight end03:08
Twilight duration8h 16m
Rise14:15
Set01:23
Elevation at transit44°
Transit time19:49
Equatorial coordinatesRA: 19h 54m 37s", Dec: -8° 13' 38s
Magnitude6
ConstellationAquila
The graph illustrates the annual visibility pattern of 19546-0814, including its daily appearances and transit times. The vertical axis shows the hours of the day and the horizontal axis spans the year. The reddish area marks when the object is above the horizon, while the white line marks its daily transit.
You can also see when 19546-0814 is visible throughout the year in a table with exact rise, transit, and set times for each date.

Astrometric and Physical Parameters of 19546-0814

Coordinates and Visibility

Right Ascension19h 54m 38s
Declination-8° 13′ 38″
Magnitude5.65
ConstellationAquila
Elevation-0.4°
Azimuth100°