Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:43  
clear_day Transit: 12:58  
SunsetSet: 21:12 south
sunny DaytimeWhat's Visible Now
All Constellations » Orion » 


Altitude: 40.8°   Azimuth: 132.6°   Direction: South-East

HR1908 is a giant star in the constellation of Orion.

HR1908 visual magnitude is 5.94. Because of its reltive faintness, HR1908 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 HR1908:


HR1908 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 40.8°
Azimuth: 132.6°
Direction: South-East

Celestial coordinates and finder chart of HR1908

HR1908 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 HR1908 are provided in the following table:

05h 37m 04s
+11° 02’ 06”

The simplified sky map below shows the position of HR1908 in the sky:

Finder chart HR1908 star
Simplified finder chart for HR1908.

Visibility of HR1908 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 HR1908 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: 79.0°
Max altitude: 49.6°
Azimuth: 281.0°
HR1908 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1908

The image below is a photograph of HR1908 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 HR1908 is 0.051 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1908 star
DSS2 image of HR1908. The red arrow shows the motion of HR1908 during the next 10000 years (8.50 arcmin in Right Ascension and -3.00 arcmin in declination);

Distance of HR1908 from the Sun and relative movement

HR1908 is distant 821.16 light years from the Sun and it is moving towards the Sun at the speed of 111 kilometers per second.

251.89 pc
821.16 ly
-111 km/s
0.051 arcsec/year
-0.018 arcsec/year

Spectral properties of HR1908

HR1908 belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR1908 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1908. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1908