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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
SunriseRise: 6:44  
clear_day Transit: 12:10  
SunsetSet: 17:38
sleep NighttimeWhat's Visible Now?
All Constellations » Orion » 

HR2191

Altitude: 43.7°   Azimuth: 227.4°   Direction: South-West

HR2191 is a hypergiant star in the constellation of Orion.

HR2191 visual magnitude is 6.04. Because of its reltive faintness, HR2191 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR2191 is -0.005 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2191 star
DSS2 image of HR2191. The red arrow shows the motion of HR2191 during the next 10000 years (-0.83 arcmin in Right Ascension and -2.83 arcmin in declination);

Key facts about HR2191

6.04
Hypergiant

HR2191 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 43.7°
Azimuth: 227.4°
Direction: South-West

Celestial coordinates and finder chart of HR2191

HR2191 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2191 are provided in the following table:

06h 11m 27s
+13° 38’ 18”
196.25°
-2.44°
Orion

The simplified sky map below shows the position of HR2191 in the sky:

Finder chart HR2191 star
Simplified finder chart for HR2191.

Visibility of HR2191 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 HR2191 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: 76.4°
Max altitude: 52.2°
Azimuth: 283.6°

Distance of HR2191 from the Sun and relative movement

HR2191 is distant 430.08 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

131.93 pc
430.08 ly
13 km/s
-0.005 arcsec/year
-0.017 arcsec/year

Spectral properties of HR2191

HR2191 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

0.44
A0V
10125K

The red dot in the diagram below shows where HR2191 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2191. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2191

SAO95352
SAO95352