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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: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
sunny DaytimeWhat's Visible Now?
All Constellations » Leo » 


Altitude: 25.4°   Azimuth: 289.1°   Direction: West-North-West

HR3850 is a variable and double giant star in the constellation of Leo.

HR3850 visual magnitude is 5.89. Because of its reltive faintness, HR3850 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 HR3850:


HR3850 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 25.4°
Azimuth: 289.1°
Direction: West-North-West

Celestial coordinates and finder chart of HR3850

HR3850 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 HR3850 are provided in the following table:

09h 41m 35s
+31° 16’ 41”

The simplified sky map below shows the position of HR3850 in the sky:

Finder chart HR3850 star
Simplified finder chart for HR3850.

Visibility of HR3850 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 HR3850 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: 58.7°
Max altitude: 69.8°
Azimuth: 301.3°

Digitized Sky Survey image of HR3850

The image below is a photograph of HR3850 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 HR3850 is 0.03 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3850 star
DSS2 image of HR3850. The red arrow shows the motion of HR3850 during the next 10000 years (5.00 arcmin in Right Ascension and -0.17 arcmin in declination);

Distance of HR3850 from the Sun and relative movement

HR3850 is distant 942.20 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

289.02 pc
942.20 ly
-13 km/s
0.03 arcsec/year
-0.001 arcsec/year

Spectral properties of HR3850

HR3850 belongs to spectral class K6 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3850 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3850. Attribution: Richard Powell / CC BY-SA

HR3850 star system properties

HR3850 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR3850 double sysyem:

28.4 arcsec

Alternative designations of HR3850