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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
sunny DaytimeWhat's Visible Now?
All Constellations » Orion » 


Altitude: 12.5°   Azimuth: 116.1°   Direction: East-South-East

HR1906 is a variable main-sequence star in the constellation of Orion.

HR1906 visual magnitude is 6.54. Because of its reltive faintness, HR1906 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 HR1906 is 0 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR1906 star
DSS2 image of HR1906. The red arrow shows the motion of HR1906 during the next 100000 years (0.00 arcmin in Right Ascension and -6.67 arcmin in declination);

Key facts about HR1906


HR1906 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 12.5°
Azimuth: 116.1°
Direction: East-South-East

Celestial coordinates and finder chart of HR1906

HR1906 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 HR1906 are provided in the following table:

05h 36m 15s
-05° 38’ 53”

The simplified sky map below shows the position of HR1906 in the sky:

Finder chart HR1906 star
Simplified finder chart for HR1906.

Visibility of HR1906 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 HR1906 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: 95.6°
Max altitude: 32.9°
Azimuth: 264.4°

Distance of HR1906 from the Sun and relative movement

HR1906 is distant 1,771.74 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

543.48 pc
1,771.74 ly
11 km/s
-0.004 arcsec/year

Spectral properties of HR1906

HR1906 belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR1906 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1906. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1906