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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: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sunny DaytimeWhat's Visible Now?
All Constellations » Columba » 


Altitude: -49.3°   Azimuth: 83.3°   Direction: East

HR1909 is a giant star in the constellation of Columba.

HR1909 visual magnitude is 5.78. Because of its reltive faintness, HR1909 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR1909 is 0.02 arcsec per year in Right Ascension and 0.109 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR1909 star
DSS2 image of HR1909. The red arrow shows the motion of HR1909 during the next 1000 years (0.33 arcmin in Right Ascension and 1.82 arcmin in declination);

Key facts about HR1909


HR1909 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -49.3°
Azimuth: 83.3°
Direction: East

Celestial coordinates and finder chart of HR1909

HR1909 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1909 are provided in the following table:

05h 35m 15s
-33° 04’ 47”

The simplified sky map below shows the position of HR1909 in the sky:

Finder chart HR1909 star
Simplified finder chart for HR1909.

Visibility of HR1909 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 HR1909 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: 123.1°
Max altitude: 5.4°
Azimuth: 236.9°

Distance of HR1909 from the Sun and relative movement

HR1909 is distant 317.12 light years from the Sun and it is moving far from the Sun at the speed of 44 kilometers per second.

97.28 pc
317.12 ly
44 km/s
0.02 arcsec/year
0.109 arcsec/year

Spectral properties of HR1909

HR1909 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR1909 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR1909. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1909