HR1866 is a hypergiant star in the constellation of Auriga.
HR1866 visual magnitude is 5.73. Because of its reltive faintness, HR1866 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 HR1866:
Celestial coordinates and finder chart of HR1866
HR1866 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 HR1866 are provided in the following table:
The simplified sky map below shows the position of HR1866 in the sky:
Visibility of HR1866 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR1866 is circumpolar and transits at 17:13 UTC (altitude: 87.1°)
Digitized Sky Survey image of HR1866
The image below is a photograph of HR1866 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 HR1866 is -0.013 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR1866 from the Sun and relative movement
HR1866 is distant 746.00 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.
Spectral properties of HR1866
HR1866 belongs to spectral class M0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where HR1866 is situated in the Hertzsprung–Russell diagram.