HR1807
HR1807 is a hypergiant star in the constellation of Orion.
HR1807 visual magnitude is 6.42. Because of its reltive faintness, HR1807 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 HR1807 is 0.003 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about HR1807
HR1807 is below the horizon from Greenwich, United Kingdom .
Altitude: -13.0°
Azimuth: 60.9°
Direction: East-North-East
Celestial coordinates and finder chart of HR1807
HR1807 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1807 are provided in the following table:
The simplified sky map below shows the position of HR1807 in the sky:
Visibility of HR1807 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's HR1807 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of HR1807 from the Sun and relative movement
HR1807 is distant 305.24 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.
Spectral properties of HR1807
HR1807 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.
The red dot in the diagram below shows where HR1807 is situated in the Hertzsprung–Russell diagram.
