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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sleep NighttimeWhat's Visible Now?
All Constellations » Lynx » 


Altitude: 46.3°   Azimuth: 300.9°   Direction: West-North-West

HR2804 is a giant star in the constellation of Lynx.

HR2804 visual magnitude is 5.8. Because of its reltive faintness, HR2804 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 HR2804 is 0.014 arcsec per year in Right Ascension and -0.035 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2804 star
DSS2 image of HR2804. The red arrow shows the motion of HR2804 during the next 10000 years (2.33 arcmin in Right Ascension and -5.83 arcmin in declination);

Key facts about HR2804


HR2804 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 46.3°
Azimuth: 300.9°
Direction: West-North-West

Celestial coordinates and finder chart of HR2804

HR2804 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 HR2804 are provided in the following table:

07h 24m 57s
+51° 53’ 13”

The simplified sky map below shows the position of HR2804 in the sky:

Finder chart HR2804 star
Simplified finder chart for HR2804.

Visibility of HR2804 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR2804 is circumpolar and transits at 20:48 UTC (altitude: 89.6°)

Distance of HR2804 from the Sun and relative movement

HR2804 is distant 1,147.89 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

352.11 pc
1,147.89 ly
18 km/s
0.014 arcsec/year
-0.035 arcsec/year

Spectral properties of HR2804

HR2804 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR2804 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2804. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2804