HR6400
HR6400 is a double hypergiant star in the constellation of Apus.
HR6400 visual magnitude is 6.53. Because of its reltive faintness, HR6400 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 HR6400:
HR6400 is below the horizon from Greenwich, United Kingdom .
Altitude: -31.8°
Azimuth: 175.5°
Direction: South
Celestial coordinates and finder chart of HR6400
HR6400 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6400 are provided in the following table:
The simplified sky map below shows the position of HR6400 in the sky:

Visibility of HR6400 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
HR6400 is currently not visible from Greenwich, United Kingdom
Digitized Sky Survey image of HR6400
The image below is a photograph of HR6400 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 HR6400 is -0.045 arcsec per year in Right Ascension and -0.201 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Distance of HR6400 from the Sun and relative movement
HR6400 is distant 126.45 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.
Spectral properties of HR6400
HR6400 belongs to spectral class G0 and has a luminosity class of IV corresponding to a hypergiant star.
The red dot in the diagram below shows where HR6400 is situated in the Hertzsprung–Russell diagram.

HR6400 star system properties
HR6400 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR6400 double sysyem: