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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: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Monoceros » 


Altitude: -23.1°   Azimuth: 65.3°   Direction: East-North-East

HR2317 is a giant star in the constellation of Monoceros.

HR2317 visual magnitude is 6.35. Because of its reltive faintness, HR2317 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 HR2317:


HR2317 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -23.1°
Azimuth: 65.3°
Direction: East-North-East

Celestial coordinates and finder chart of HR2317

HR2317 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 HR2317 are provided in the following table:

06h 25m 47s
-03° 53’ 21”

The simplified sky map below shows the position of HR2317 in the sky:

Finder chart HR2317 star
Simplified finder chart for HR2317.

Visibility of HR2317 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 HR2317 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: 93.9°
Max altitude: 34.6°
Azimuth: 266.1°

Digitized Sky Survey image of HR2317

The image below is a photograph of HR2317 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 HR2317 is -0.02 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 HR2317 star
DSS2 image of HR2317. The red arrow shows the motion of HR2317 during the next 10000 years (-3.33 arcmin in Right Ascension and -0.83 arcmin in declination);

Distance of HR2317 from the Sun and relative movement

HR2317 is distant 1,034.92 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

317.46 pc
1,034.92 ly
12 km/s
-0.02 arcsec/year
-0.005 arcsec/year

Spectral properties of HR2317

HR2317 belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR2317 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2317. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2317