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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 » 

72 Orionis

Altitude: -14.0°   Azimuth: 39.3°   Direction: North-East

72 Orionis is a main-sequence star in the constellation of Orion.

72 Orionis visual magnitude is 5.3. Because of its reltive faintness, 72 Orionis 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 72 Orionis is 0.003 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 72 Orionis star
DSS2 image of 72 Orionis. The red arrow shows the motion of 72 Orionis during the next 10000 years (0.50 arcmin in Right Ascension and -2.00 arcmin in declination);

Key facts about 72 Orionis

5.3
Main-sequence

72 Orionis is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -14.0°
Azimuth: 39.3°
Direction: North-East

Celestial coordinates and finder chart of 72 Orionis

72 Orionis 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 72 Orionis are provided in the following table:

06h 15m 25s
+16° 08’ 35”
194.51°
-0.4°
Orion

The simplified sky map below shows the position of 72 Orionis in the sky:

Finder chart 72 Orionis star
Simplified finder chart for 72 Orionis.

Visibility of 72 Orionis 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 72 Orionis 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: 73.9°
Max altitude: 54.7°
Azimuth: 286.1°

Distance of 72 Orionis from the Sun and relative movement

72 Orionis is distant 479.41 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

147.06 pc
479.41 ly
22 km/s
0.003 arcsec/year
-0.012 arcsec/year

Spectral properties of 72 Orionis

72 Orionis belongs to spectral class B7 and has a luminosity class of V corresponding to a main-sequence star.

-0.54
B7V
12293K

The red dot in the diagram below shows where 72 Orionis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 72 Orionis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 72 Orionis

SAO95447
SAO95447