HR309 is a main-sequence star in the constellation of Cassiopeia.
HR309 visual magnitude is 6.54. Because of its reltive faintness, HR309 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 HR309:
Celestial coordinates and finder chart of HR309
HR309 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR309 are provided in the following table:
The simplified sky map below shows the position of HR309 in the sky:
Visibility of HR309 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR309 is circumpolar and transits at 08:28 UTC (altitude: 78.7°)
Digitized Sky Survey image of HR309
The image below is a photograph of HR309 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 HR309 is 0.102 arcsec per year in Right Ascension and -0.024 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of HR309 from the Sun and relative movement
HR309 is distant 226.55 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.
Spectral properties of HR309
HR309 belongs to spectral class A5 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where HR309 is situated in the Hertzsprung–Russell diagram.