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: 6:47  
clear_day Transit: 12:50  
SunsetSet: 18:52 south
sunny DaytimeWhat's Visible Now
All Constellations » Serpens » 


Altitude: 49.9°   Azimuth: 205.2°   Direction: South-South-West

HR5850 is a double giant star in the constellation of Serpens.

HR5850 visual magnitude is 6.48. Because of its reltive faintness, HR5850 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 HR5850:


HR5850 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 49.9°
Azimuth: 205.2°
Direction: South-South-West

Celestial coordinates and finder chart of HR5850

HR5850 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 HR5850 are provided in the following table:

15h 43m 10s
+13° 40’ 04”

The simplified sky map below shows the position of HR5850 in the sky:

Finder chart HR5850 star
Simplified finder chart for HR5850.

Visibility of HR5850 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 HR5850 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: 76.3°
Max altitude: 52.2°
Azimuth: 283.7°

Digitized Sky Survey image of HR5850

The image below is a photograph of HR5850 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 HR5850 is -0.01 arcsec per year in Right Ascension and -0.032 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5850 star
DSS2 image of HR5850. The red arrow shows the motion of HR5850 during the next 10000 years (-1.67 arcmin in Right Ascension and -5.33 arcmin in declination);

Distance of HR5850 from the Sun and relative movement

HR5850 is distant 629.34 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

193.05 pc
629.34 ly
-10 km/s
-0.01 arcsec/year
-0.032 arcsec/year

Spectral properties of HR5850

HR5850 belongs to spectral class G5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR5850 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5850. Attribution: Richard Powell / CC BY-SA

HR5850 star system properties

HR5850 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR5850 double sysyem:

0.6 arcsec

Alternative designations of HR5850