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public LocationGreenwich, UK
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
wb_twilight   (Civil Twilight)   What's Visible Now?
All Constellations » Carina » 


Below the horizon.  Never rises today
Altitude: -68.4°   Azimuth: 177.7°   Direction: South

HR3821 is a giant star of spectral class K4 in the constellation of Carina.

HR3821 visual magnitude is 5.47. Because of its faintness, HR3821 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of HR3821

Finder chart HR3821 star
Simplified finder chart for HR3821.

HR3821 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3821 are provided in the following table:

09h 31m 36s
-73° 04’ 50”
Image of HR3821 star
DSS2 image of HR3821. The red arrow shows the motion of HR3821 during the next 10000 years (-4.50 arcmin in Right Ascension and 0.17 arcmin in declination);

Key facts about HR3821


and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3821 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3821. Attribution: Richard Powell / CC BY-SA

Distance of HR3821 from the Sun and relative movement

HR3821 is distant 791.26 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

242.72 pc
791.26 ly
14 km/s
-0.027 arcsec/year
0.001 arcsec/year

Alternative designations of HR3821


Visibility of HR3821 from your location

HR3821 is currently not visible from Greenwich, UK