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🌎  Observing from: Greenwich, United Kingdom [change]


HR7878 is a giant star in the constellation of Aquila.

HR7878 visual magnitude is 6.22. Because of its reltive faintness, HR7878 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR7878:

HR7878 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 25°.

Celestial coordinates and finder chart of 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”

The simplified sky map below shows the position of HR7878 in the sky:

Finder chart HR7878 star
Simplified finder chart for HR7878.

Visibility of HR7878 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

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

Azimuth: 89.9°
Max altitude: 38.6°
Azimuth: 270.1°
HR7878 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7878

The image below is a photograph of HR7878 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR7878 is 0 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

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);

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

Spectral properties of HR7878

HR7878 belongs to spectral class B8 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

Alternative designations of HR7878