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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:12 
Transit: 13:06 
Sunset: 20:59
sunny   (Daytime)   What's Visible Now?
All Constellations » Orion » 

HR1681

Above the horizon.  Rise: 4:09 | Tran: 10:04 | Set: 16:00
Alt: 27.74°   Az: 132.65°   Direction: South-East

HR1681 is a hypergiant star of spectral class K0 in the constellation of Orion.

HR1681 visual magnitude is 6.1. Because of its faintness, HR1681 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 HR1681 star
DSS2 image of HR1681. The red arrow shows the motion of HR1681 during the next 10000 years (0.17 arcmin in Right Ascension and -8.83 arcmin in declination);

Celestial Coordinates

Apparent

05h 11m 18s
-00° 32’ 09”
21h 17m 31s
02h 28m 49s

J2000

05h 10m 03s
-00° 33’ 55”

Galactic Coordinates

201.28°
-22.67°

Finder Chart

Finder chart HR1681 star
Simplified finder chart for HR1681.

Magnitude, Color, Spectral Class

6.1
Hypergiant

1.18
K0III
4515K

The red dot in the diagram below shows where HR1681 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1681. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1681 is distant 314.37 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

96.43
314.37
26 km/s
0.001 arcsec/y
-0.053"/y

Alternative Designations

SAO131834
SAO131834

Visibility from Your Location

Today's HR1681 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 90.5°
Max altitude: 38.0°
Azimuth: 269.5°