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: 4:47  
clear_day Transit: 12:56  
SunsetSet: 21:06 south
sunny DaytimeWhat's Visible Now
All Constellations » Serpens » 

64 Serpentis

64 Serpentis is a giant star in the constellation of Serpens.

64 Serpentis visual magnitude is 5.57. Because of its reltive faintness, 64 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 64 Serpentis:

64 Serpentis is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of 64 Serpentis

64 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 64 Serpentis are provided in the following table:

18h 57m 16s
+02° 32’ 07”

The simplified sky map below shows the position of 64 Serpentis in the sky:

Finder chart 64 Serpentis star
Simplified finder chart for 64 Serpentis.

Visibility of 64 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 64 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: 87.5°
Max altitude: 41.1°
Azimuth: 272.5°
64 Serpentis is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 64 Serpentis

The image below is a photograph of 64 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 64 Serpentis is -0.005 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 64 Serpentis star
DSS2 image of 64 Serpentis. The red arrow shows the motion of 64 Serpentis during the next 10000 years (-0.83 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of 64 Serpentis from the Sun and relative movement

64 Serpentis is distant 1,101.35 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

337.84 pc
1,101.35 ly
-10 km/s
-0.005 arcsec/year
-0.012 arcsec/year

Spectral properties of 64 Serpentis

64 Serpentis belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star. 64 Serpentis is also a Hg chemically peculiar star.


The red dot in the diagram below shows where 64 Serpentis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 64 Serpentis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 64 Serpentis

64 Serpentis