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public LocationGreenwich, UK
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?
All Constellations » Auriga » 


Above the horizon.  Circumpolar today
Altitude: 72.4°   Azimuth: 110.6°   Direction: East-South-East

HR1722 is a variable giant star of spectral class M4 in the constellation of Auriga.

HR1722 visual magnitude is 5.48. Because of its faintness, HR1722 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of HR1722

Finder chart HR1722 star
Simplified finder chart for HR1722.

HR1722 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 HR1722 are provided in the following table:

05h 18m 15s
+42° 47’ 31”
Image of HR1722 star
DSS2 image of HR1722. The red arrow shows the motion of HR1722 during the next 10000 years (6.33 arcmin in Right Ascension and -3.83 arcmin in declination);

Key facts about HR1722


and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR1722 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1722. Attribution: Richard Powell / CC BY-SA

Distance of HR1722 from the Sun and relative movement

HR1722 is distant 693.62 light years from the Sun and it is moving towards the Sun at the speed of 38 kilometers per second.

212.77 pc
693.62 ly
-38 km/s
0.038 arcsec/year
-0.023 arcsec/year

Alternative designations of HR1722


Visibility of HR1722 from your location

HR1722 is circumpolar and transits at 11:01 UTC (altitude: 81.3°)