HR891 is a double main-sequence star in the constellation of Perseus.
HR891 visual magnitude is 6.74. Because of its reltive faintness, HR891 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 HR891:
HR891 is above the horizon from Greenwich, United Kingdom .
Celestial coordinates and finder chart of HR891
HR891 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 HR891 are provided in the following table:
The simplified sky map below shows the position of HR891 in the sky:
Visibility of HR891 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR891 is circumpolar and transits at 10:02 UTC (altitude: 89.1°)
Digitized Sky Survey image of HR891
The image below is a photograph of HR891 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 HR891 is 0.014 arcsec per year in Right Ascension and -0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR891 from the Sun and relative movement
HR891 is distant 676.35 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.
Spectral properties of HR891
HR891 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where HR891 is situated in the Hertzsprung–Russell diagram.
HR891 star system properties
HR891 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 HR891 double sysyem: