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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
sunny DaytimeWhat's Visible Now?
All Constellations » Orion » 

HR1591

Altitude: 24.8°   Azimuth: 127.8°   Direction: South-East

HR1591 is a star in the constellation of Orion.

HR1591 visual magnitude is 6.23. Because of its reltive faintness, HR1591 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 HR1591 is -0.037 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 HR1591 star
DSS2 image of HR1591. The red arrow shows the motion of HR1591 during the next 10000 years (-6.17 arcmin in Right Ascension and -4.67 arcmin in declination);

Key facts about HR1591

6.23

HR1591 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 24.8°
Azimuth: 127.8°
Direction: South-East

Celestial coordinates and finder chart of HR1591

HR1591 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 HR1591 are provided in the following table:

04h 57m 17s
-01° 04’ 01”
200.03°
-25.7°
Orion

The simplified sky map below shows the position of HR1591 in the sky:

Finder chart HR1591 star
Simplified finder chart for HR1591.

Visibility of HR1591 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 HR1591 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: 91.1°
Max altitude: 37.5°
Azimuth: 268.9°

Distance of HR1591 from the Sun and relative movement

HR1591 is distant 273.72 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

83.96 pc
273.72 ly
9 km/s
-0.037 arcsec/year
-0.028 arcsec/year

Spectral properties of HR1591

HR1591 belongs to spectral class F2

1.61
F2
6776K

The red dot in the diagram below shows where HR1591 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1591. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1591

SAO131625
SAO131625