HR7870 is a double star in the constellation of Cygnus.
HR7870 visual magnitude is 5.78. Because of its reltive faintness, HR7870 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 HR7870:
Celestial coordinates and finder chart of HR7870
HR7870 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 HR7870 are provided in the following table:
The simplified sky map below shows the position of HR7870 in the sky:
Visibility of HR7870 from your location
HR7870 is circumpolar and transits at 11:28 UTC (altitude: 85.2°)
Digitized Sky Survey image of HR7870
The image below is a photograph of HR7870 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 HR7870 is 0.011 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR7870 from the Sun and relative movement
HR7870 is distant 480.83 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.
Spectral properties of HR7870
The red dot in the diagram below shows where HR7870 is situated in the Hertzsprung–Russell diagram.
HR7870 star system properties
HR7870 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR7870 double sysyem: