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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
north SunriseRise: 7:49  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Andromeda » 


Altitude: 51.5°   Azimuth: 92.3°   Direction: East

HR17 is a sub-giant star in the constellation of Andromeda.

HR17 visual magnitude is 6.19. Because of its reltive faintness, HR17 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 HR17:


HR17 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 51.5°
Azimuth: 92.3°
Direction: East

Celestial coordinates and finder chart of HR17

HR17 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 HR17 are provided in the following table:

00h 08m 40s
+36° 37’ 36”

The simplified sky map below shows the position of HR17 in the sky:

Finder chart HR17 star
Simplified finder chart for HR17.

Visibility of HR17 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 HR17 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: 53.4°
Max altitude: 75.1°
Azimuth: 306.6°

Digitized Sky Survey image of HR17

The image below is a photograph of HR17 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 HR17 is -0.1 arcsec per year in Right Ascension and -0.145 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR17 star
DSS2 image of HR17. The red arrow shows the motion of HR17 during the next 1000 years (-1.67 arcmin in Right Ascension and -2.42 arcmin in declination);

Distance of HR17 from the Sun and relative movement

HR17 is distant 107.73 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

33.05 pc
107.73 ly
-14 km/s
-0.1 arcsec/year
-0.145 arcsec/year

Spectral properties of HR17

HR17 belongs to spectral class F8 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR17 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR17. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR17