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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: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
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All Constellations » Orion » 

HR1955

Altitude: -28.9°   Azimuth: 314.7°   Direction: North-West

HR1955 is a hypergiant star in the constellation of Orion.

HR1955 visual magnitude is 5.93. Because of its reltive faintness, HR1955 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 HR1955 is 0.015 arcsec per year in Right Ascension and 0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1955 star
DSS2 image of HR1955. The red arrow shows the motion of HR1955 during the next 10000 years (2.50 arcmin in Right Ascension and 4.67 arcmin in declination);

Key facts about HR1955

5.93
Hypergiant

HR1955 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -28.9°
Azimuth: 314.7°
Direction: North-West

Celestial coordinates and finder chart of HR1955

HR1955 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 HR1955 are provided in the following table:

05h 41m 05s
+00° 20’ 16”
204.4°
-15.44°
Orion

The simplified sky map below shows the position of HR1955 in the sky:

Finder chart HR1955 star
Simplified finder chart for HR1955.

Visibility of HR1955 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 HR1955 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: 89.7°
Max altitude: 38.9°
Azimuth: 270.3°

Distance of HR1955 from the Sun and relative movement

HR1955 is distant 167.52 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

51.39 pc
167.52 ly
-13 km/s
0.015 arcsec/year
0.028 arcsec/year

Spectral properties of HR1955

HR1955 belongs to spectral class F0 and has a luminosity class of IV corresponding to a hypergiant star.

2.38
F0IV
7462K

The red dot in the diagram below shows where HR1955 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1955. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1955

SAO113033
SAO113033