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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:01 
Transit: 12:56 
Sunset: 20:52
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All Constellations » Orion » 

HR1891

Below the horizon.  Rise: 9:02 | Tran: 14:38 | Set: 20:14
Alt: -17.26°   Az: 285.13°   Direction: West-North-West

HR1891 is a double main-sequence star of spectral class B2 in the constellation of Orion.

HR1891 visual magnitude is 6.24. Because of its faintness, HR1891 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 HR1891 star
DSS2 image of HR1891. The red arrow shows the motion of HR1891 during the next 10000 years (3.67 arcmin in Right Ascension and -4.50 arcmin in declination);

Celestial Coordinates

Apparent

05h 36m 37s
-04° 24’ 37”
07h 29m 34s
13h 06m 12s

J2000

05h 35m 22s
-04° 25’ 31”

Galactic Coordinates

208.11°
-18.92°

Finder Chart

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Finder chart for HR1891.

Magnitude, Color, Spectral Class

6.24
Main-sequence

-1.46
B2V
12489K

The red dot in the diagram below shows where HR1891 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1891. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1891 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 HR1891 double sysyem:

6.24
6.94
0.7
0.2 arcsec

Distance, Radial Speed, Proper Motion

HR1891 is distant 1,128.03 light years from the Sun and it is moving far from the Sun at the speed of 31 kilometers per second.

346.02
1,128.03
31 km/s
0.022 arcsec/y
-0.027"/y

Alternative Designations

SAO132319
SAO132319

Visibility from Your Location

Today's HR1891 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.4°
Max altitude: 34.1°
Azimuth: 265.6°