Your guide to the Solar System and the night sky
By donating now you help keep this site alive and free from ads. Please consider supporting this project.
🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:45  ☀️ Transit: 13:03  🌅 Sunset: 19:23


HR1738 is a main-sequence star in the constellation of Auriga.

HR1738 visual magnitude is 5.52. Because of its reltive faintness, HR1738 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 HR1738:

HR1738 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 71°.

Celestial coordinates and finder chart of HR1738

HR1738 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 HR1738 are provided in the following table:

05h 20m 14s
+41° 05’ 09”

The simplified sky map below shows the position of HR1738 in the sky:

Finder chart HR1738 star
Simplified finder chart for HR1738.

Visibility of HR1738 from your location

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

HR1738 is circumpolar and transits at 16:56 UTC (altitude: 79.6°)

Digitized Sky Survey image of HR1738

The image below is a photograph of HR1738 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 HR1738 is -0.002 arcsec per year in Right Ascension and -0.058 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1738 star
DSS2 image of HR1738. The red arrow shows the motion of HR1738 during the next 10000 years (-0.33 arcmin in Right Ascension and -9.67 arcmin in declination);

Distance of HR1738 from the Sun and relative movement

HR1738 is distant 305.82 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

93.81 pc
305.82 ly
22 km/s
-0.002 arcsec/year
-0.058 arcsec/year

Spectral properties of HR1738

HR1738 belongs to spectral class A3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR1738 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1738. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1738