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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
sleep NighttimeWhat's Visible Now?
All Constellations » Columba » 


Altitude: -10.3°   Azimuth: 223.4°   Direction: South-West

HR1715 is a variable giant star in the constellation of Columba.

HR1715 visual magnitude is 6.98. Because of its reltive faintness, HR1715 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 HR1715 is 0.036 arcsec per year in Right Ascension and -0.051 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1715 star
DSS2 image of HR1715. The red arrow shows the motion of HR1715 during the next 10000 years (6.00 arcmin in Right Ascension and -8.50 arcmin in declination);

Key facts about HR1715


HR1715 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -10.3°
Azimuth: 223.4°
Direction: South-West

Celestial coordinates and finder chart of HR1715

HR1715 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1715 are provided in the following table:

05h 13m 46s
-35° 49’ 32”

The simplified sky map below shows the position of HR1715 in the sky:

Finder chart HR1715 star
Simplified finder chart for HR1715.

Visibility of HR1715 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 HR1715 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: 125.8°
Max altitude: 2.7°
Azimuth: 234.2°

Distance of HR1715 from the Sun and relative movement

HR1715 is distant 827.41 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

253.81 pc
827.41 ly
-7 km/s
0.036 arcsec/year
-0.051 arcsec/year

Spectral properties of HR1715

HR1715 belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR1715 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR1715. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1715