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: 6:59  
clear_day Transit: 12:48  
SunsetSet: 18:36 south
sunny DaytimeWhat's Visible Now
All Constellations » Auriga » 


Altitude: 34.3°   Azimuth: 278.7°   Direction: West

HR1775 is a giant star in the constellation of Auriga.

HR1775 visual magnitude is 6.28. Because of its reltive faintness, HR1775 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 HR1775:


HR1775 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 34.3°
Azimuth: 278.7°
Direction: West

Celestial coordinates and finder chart of HR1775

HR1775 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 HR1775 are provided in the following table:

05h 24m 38s
+31° 13’ 26”

The simplified sky map below shows the position of HR1775 in the sky:

Finder chart HR1775 star
Simplified finder chart for HR1775.

Visibility of HR1775 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 HR1775 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: 58.8°
Max altitude: 69.7°
Azimuth: 301.2°

Digitized Sky Survey image of HR1775

The image below is a photograph of HR1775 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 HR1775 is -0.043 arcsec per year in Right Ascension and -0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1775 star
DSS2 image of HR1775. The red arrow shows the motion of HR1775 during the next 10000 years (-7.17 arcmin in Right Ascension and -1.50 arcmin in declination);

Distance of HR1775 from the Sun and relative movement

HR1775 is distant 744.29 light years from the Sun and it is moving far from the Sun at the speed of 40 kilometers per second.

228.31 pc
744.29 ly
40 km/s
-0.043 arcsec/year
-0.009 arcsec/year

Spectral properties of HR1775

HR1775 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR1775 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1775. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1775