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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
north SunriseRise: 7:45  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
sleep NighttimeWhat's Visible Now?
All Constellations » Monoceros » 


Altitude: -6.4°   Azimuth: 96.4°   Direction: East

HR2508 is a variable supergiant star in the constellation of Monoceros.

HR2508 visual magnitude is 5.07. Because of its reltive faintness, HR2508 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 HR2508:


HR2508 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -6.4°
Azimuth: 96.4°
Direction: East

Celestial coordinates and finder chart of HR2508

HR2508 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 HR2508 are provided in the following table:

06h 47m 37s
-08° 59’ 53”

The simplified sky map below shows the position of HR2508 in the sky:

Finder chart HR2508 star
Simplified finder chart for HR2508.

Visibility of HR2508 from your location

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

Today's HR2508 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 99.0°
Max altitude: 29.5°
Azimuth: 261.0°

Digitized Sky Survey image of HR2508

The image below is a photograph of HR2508 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 HR2508 is -0.016 arcsec per year in Right Ascension and 0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2508 star
DSS2 image of HR2508. The red arrow shows the motion of HR2508 during the next 10000 years (-2.67 arcmin in Right Ascension and 0.83 arcmin in declination);

Distance of HR2508 from the Sun and relative movement

HR2508 is distant 1,309.24 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

401.61 pc
1,309.24 ly
24 km/s
-0.016 arcsec/year
0.005 arcsec/year

Spectral properties of HR2508

HR2508 belongs to spectral class M1 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR2508 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2508. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2508