HR722 is a variable giant star in the constellation of Horologium.
HR722 visual magnitude is 6.41. Because of its reltive faintness, HR722 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 HR722:
Celestial coordinates and finder chart of HR722
HR722 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR722 are provided in the following table:
The simplified sky map below shows the position of HR722 in the sky:
Visibility of HR722 from your location
HR722 is currently not visible from Greenwich, United Kingdom [change]
Digitized Sky Survey image of HR722
The image below is a photograph of HR722 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 HR722 is -0.029 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR722 from the Sun and relative movement
HR722 is distant 920.90 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.
Spectral properties of HR722
HR722 belongs to spectral class M5 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR722 is situated in the Hertzsprung–Russell diagram.