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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: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
sleep NighttimeWhat's Visible Now?
All Constellations » Orion » 

HR1809

Altitude: 3.0°   Azimuth: 291.0°   Direction: West-North-West

HR1809 is a sub-giant star in the constellation of Orion.

HR1809 visual magnitude is 6.16. Because of its reltive faintness, HR1809 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 HR1809 is -0.014 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1809 star
DSS2 image of HR1809. The red arrow shows the motion of HR1809 during the next 10000 years (-2.33 arcmin in Right Ascension and -0.33 arcmin in declination);

Key facts about HR1809

6.16
Sub-giant

HR1809 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 3.0°
Azimuth: 291.0°
Direction: West-North-West

Celestial coordinates and finder chart of HR1809

HR1809 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 HR1809 are provided in the following table:

05h 27m 13s
+15° 15’ 28”
189.39°
-10.86°
Orion

The simplified sky map below shows the position of HR1809 in the sky:

Finder chart HR1809 star
Simplified finder chart for HR1809.

Visibility of HR1809 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 HR1809 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: 74.7°
Max altitude: 53.8°
Azimuth: 285.3°

Distance of HR1809 from the Sun and relative movement

HR1809 is distant 461.10 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

141.44 pc
461.10 ly
25 km/s
-0.014 arcsec/year
-0.002 arcsec/year

Spectral properties of HR1809

HR1809 belongs to spectral class A1 and has a luminosity class of IV corresponding to a sub-giant star.

0.41
A1IV
9226K

The red dot in the diagram below shows where HR1809 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1809. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1809

SAO94556
SAO94556