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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: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
sunny DaytimeWhat's Visible Now?
All Constellations » Auriga » 


Altitude: 50.2°   Azimuth: 75.7°   Direction: East-North-East

HR1733 is a hypergiant star in the constellation of Auriga.

HR1733 visual magnitude is 6.62. Because of its reltive faintness, HR1733 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 HR1733 is 0.004 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1733 star
DSS2 image of HR1733. The red arrow shows the motion of HR1733 during the next 10000 years (0.67 arcmin in Right Ascension and -1.67 arcmin in declination);

Key facts about HR1733


HR1733 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 50.2°
Azimuth: 75.7°
Direction: East-North-East

Celestial coordinates and finder chart of HR1733

HR1733 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 HR1733 are provided in the following table:

05h 20m 02s
+44° 25’ 32”

The simplified sky map below shows the position of HR1733 in the sky:

Finder chart HR1733 star
Simplified finder chart for HR1733.

Visibility of HR1733 from your location

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

HR1733 is circumpolar and transits at 18:35 UTC (altitude: 82.9°)

Distance of HR1733 from the Sun and relative movement

HR1733 is distant 947.67 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

290.70 pc
947.67 ly
13 km/s
0.004 arcsec/year
-0.01 arcsec/year

Spectral properties of HR1733

HR1733 belongs to spectral class K0


The red dot in the diagram below shows where HR1733 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1733. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1733