HR1804 is a supergiant star in the constellation of Auriga.
HR1804 visual magnitude is 5.74. Because of its reltive faintness, HR1804 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 HR1804:
Celestial coordinates and finder chart of HR1804
HR1804 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 HR1804 are provided in the following table:
The simplified sky map below shows the position of HR1804 in the sky:
Visibility of HR1804 from your location
Today's HR1804 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of HR1804
The image below is a photograph of HR1804 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 HR1804 is 0.008 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR1804 from the Sun and relative movement
HR1804 is distant 2,312.06 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.
Spectral properties of HR1804
HR1804 belongs to spectral class B9 and has a luminosity class of I corresponding to a supergiant star.
The red dot in the diagram below shows where HR1804 is situated in the Hertzsprung–Russell diagram.