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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: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Serpens » 

59 Serpentis

Altitude: 27.7°   Azimuth: 229.2°   Direction: South-West

59 Serpentis is a variable and multiple hypergiant star in the constellation of Serpens.

59 Serpentis visual magnitude is 5.21. Because of its reltive faintness, 59 Serpentis 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 59 Serpentis:


59 Serpentis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 27.7°
Azimuth: 229.2°
Direction: South-West

Celestial coordinates and finder chart of 59 Serpentis

59 Serpentis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 59 Serpentis are provided in the following table:

18h 27m 12s
+00° 11’ 45”

The simplified sky map below shows the position of 59 Serpentis in the sky:

Finder chart 59 Serpentis star
Simplified finder chart for 59 Serpentis.

Visibility of 59 Serpentis 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 59 Serpentis 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: 89.8°
Max altitude: 38.7°
Azimuth: 270.2°

Digitized Sky Survey image of 59 Serpentis

The image below is a photograph of 59 Serpentis 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 59 Serpentis is -0.008 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of 59 Serpentis star
DSS2 image of 59 Serpentis. The red arrow shows the motion of 59 Serpentis during the next 100000 years (-13.33 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of 59 Serpentis from the Sun and relative movement

59 Serpentis is distant 478.71 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

146.84 pc
478.71 ly
-23 km/s
-0.008 arcsec/year
-0.002 arcsec/year

Spectral properties of 59 Serpentis

59 Serpentis belongs to spectral class G0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where 59 Serpentis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 59 Serpentis. Attribution: Richard Powell / CC BY-SA

59 Serpentis star system properties

59 Serpentis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 59 Serpentis double sysyem:

3.8 arcsec

Alternative designations of 59 Serpentis

59 Serpentis