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public LocationGreenwich, UK
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
wb_twilight   (Nautical Twilight)   What's Visible Now?
All Constellations » Aquila » 


Above the horizon.  Rise: 21:19 | Tran: 3:22 | Set: 9:20
Altitude: 38.6°   Azimuth: 183.7°   Direction: South

HR7878 is a giant star of spectral class B8 in the constellation of Aquila.

HR7878 visual magnitude is 6.22. Because of its faintness, HR7878 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of HR7878

Finder chart HR7878 star
Simplified finder chart for HR7878.

HR7878 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7878 are provided in the following table:

20h 37m 18s
+00° 05’ 48”
Image of HR7878 star
DSS2 image of HR7878. The red arrow shows the motion of HR7878 during the next 10000 years (0.00 arcmin in Right Ascension and -3.00 arcmin in declination);

Key facts about HR7878


and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR7878 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7878. Attribution: Richard Powell / CC BY-SA

Distance of HR7878 from the Sun and relative movement

HR7878 is distant 643.00 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

197.24 pc
643.00 ly
-23 km/s
-0.018 arcsec/year

Alternative designations of HR7878


Visibility of HR7878 from your location

Today's HR7878 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 89.9°
Max altitude: 38.6°
Azimuth: 270.1°