We use cookies to deliver essential features and to measure their performance. Learn more.
Keep TheSkyLive Free! Donate Now!
public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:12 
Transit: 13:06 
Sunset: 20:59
sunny   (Daytime)   What's Visible Now?
All Constellations » Orion » 

HR1820

Above the horizon.  Rise: 4:18 | Tran: 10:22 | Set: 16:27
Alt: 21.13°   Az: 116.48°   Direction: East-South-East

HR1820 is a main-sequence star of spectral class B2 in the constellation of Orion.

HR1820 visual magnitude is 6.41. Because of its faintness, HR1820 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.

Image of HR1820 star
DSS2 image of HR1820. The red arrow shows the motion of HR1820 during the next 10000 years (3.00 arcmin in Right Ascension and 0.50 arcmin in declination);

Celestial Coordinates

Apparent

05h 29m 17s
+01° 19’ 01”
20h 13m 29s
01h 42m 47s

J2000

05h 28m 01s
+01° 17’ 53”

Galactic Coordinates

201.88°
-17.84°

Finder Chart

Finder chart HR1820 star
Simplified finder chart for HR1820.

Magnitude, Color, Spectral Class

6.41
Main-sequence

-1.35
B2V
13121K

The red dot in the diagram below shows where HR1820 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1820. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1820 is distant 1,160.14 light years from the Sun and it is moving far from the Sun at the speed of 34 kilometers per second.

355.87
1,160.14
34 km/s
0.018 arcsec/y
0.003"/y

Alternative Designations

SAO112794
SAO112794

Visibility from Your Location

Today's HR1820 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 88.7°
Max altitude: 39.8°
Azimuth: 271.3°