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Sky-Tonight.com / Double stars / 19287+2440 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

19287+2440 Position and Visibility Tonight

19287+2440

Where is 19287+2440 right now?

19287+2440 is located in the constellation Vulpecula. It is currently below the horizon and is not visible from your location.
Twilight begins at 18:44 local time. At that moment, 19287+2440 will be 67° above the horizon toward the south-east.

19287+2440 visibility on 2026-08-27

19287+2440 Visible from sunset until morning twilight

19287+2440 rise and set timetable

TimeElevation
19287+2440 rise12:53
Moonrise, 98.6% illuminated 17:0949°
Sunset17:4355°
Civil sunset18:1161°
Twilight start18:4467°
Astronomical observing session begins19:1772°
19287+2440 transit20:1477°
Astronomical observing session ends03:016°
Twilight end03:350°
19287+2440 set03:35
Moonset04:01-4°

Track 19287+2440 Position Throughout the Night

← 27 August 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 19287+2440 changing position in the night sky.

Star system description: 19287+2440

System 19287+2440 — double star system, is located in the constellation Vulpecula, at coordinates RA: 19h 28m 42s", Dec: 24° 39' 53s.
The primary and secondary magnitudes are 4.61 and 5.93. Their separation is 6.6 arcminutes, at position angle 28°. The magnitude difference is 1.32 magnitudes; the primary is approximately 3.4 times brighter.
The following technical data come from the Washington Double Star Catalog.

Technical details: 19287+2440

Property Value
System identifier 19287+2440
System type double star system
Primary star 8 Vul
Right ascension (RA) 19.47842 (19h 28m 42s")
Declination (Dec) 24.66492 (24° 39' 53s)
Primary magnitude 4.61
Secondary magnitude 5.93
Spectral type (primary/secondary) M0III
Separation (arcseconds) 396.0
Position angle 28°
Discovery year 1835
Last observed 2016
Primary proper motion (RA, Dec) -126-107
Secondary proper motion (RA, Dec) +009+017
Number of observations 32

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

Finder Chart for 8 Vul

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Object name8 Vul
Field of view
Limiting magnitude
8 Vul coordinates19.47842, 24.66492
Center coordinates19.47842, 24.66492

19287+2440 Passage Through Night

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Current position of 19287+2440

Time06:50
Latitude37.3541
Longitude-121.955
Elevation-25°
Azimuth338°
Here you can see the current position of 19287+2440 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.

Annual motion of 19287+2440


19287+2440 will remain visible until December 27, when it moves too close to the Sun and temporarily disappears from the night sky.
Time
DateThu, 27 August 2026
Twilight start19:13
Twilight end02:55
Twilight duration8h 42m
Rise12:53
Set03:35
Elevation at transit77°
Transit time20:14
Equatorial coordinatesRA: 19h 28m 42s", Dec: 24° 39' 53s
Magnitude5
ConstellationVulpecula
The graph illustrates the annual visibility pattern of 19287+2440, 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 view detailed visibility information in a table with exact rise, transit, and set times for each date.

Astrometric and Physical Parameters of 19287+2440

Coordinates and Visibility

Right Ascension19.47842°
Declination24.66492°
Magnitude4.61
ConstellationVulpecula
Elevation-24.7°
Azimuth338.4°