HR7815 is a giant star in the constellation of Cygnus.
HR7815 visual magnitude is 6.51. Because of its reltive faintness, HR7815 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 HR7815:
Celestial coordinates and finder chart of HR7815
HR7815 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7815 are provided in the following table:
The simplified sky map below shows the position of HR7815 in the sky:
Visibility of HR7815 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR7815 is circumpolar and transits at 08:02 UTC (altitude: 87.9°)
Digitized Sky Survey image of HR7815
The image below is a photograph of HR7815 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 HR7815 is 0.01 arcsec per year in Right Ascension and 0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR7815 from the Sun and relative movement
HR7815 is distant 1,461.88 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.
Spectral properties of HR7815
HR7815 belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR7815 is situated in the Hertzsprung–Russell diagram.