HR839
HR839 is a double star in the constellation of Cassiopeia.
HR839 visual magnitude is 6.45. Because of its reltive faintness, HR839 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.
The proper motion of HR839 is -0.066 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.
Key facts about HR839
HR839 is above the horizon from Greenwich, United Kingdom.
Altitude: 22.2°
Azimuth: 15.5°
Direction: North-North-East
Celestial coordinates and finder chart of HR839
HR839 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 HR839 are provided in the following table:
The simplified sky map below shows the position of HR839 in the sky:
Visibility of HR839 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
HR839 is circumpolar and transits at 12:00 UTC (altitude: 83.2°)
Distance of HR839 from the Sun and relative movement
HR839 is distant 284.97 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.
Spectral properties of HR839
HR839 belongs to spectral class A1
The red dot in the diagram below shows where HR839 is situated in the Hertzsprung–Russell diagram.
HR839 star system properties
HR839 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR839 double sysyem: