Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:09 south
sunny DaytimeWhat's Visible Now
All Constellations » Dorado » 


Altitude: -42.8°   Azimuth: 209.0°   Direction: South-South-West

HR1859 is a double hypergiant star in the constellation of Dorado.

HR1859 visual magnitude is 6.03. Because of its reltive faintness, HR1859 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR1859:


HR1859 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -42.8°
Azimuth: 209.0°
Direction: South-South-West

Celestial coordinates and finder chart of HR1859

HR1859 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 HR1859 are provided in the following table:

05h 27m 00s
-68° 37’ 22”

The simplified sky map below shows the position of HR1859 in the sky:

Finder chart HR1859 star
Simplified finder chart for HR1859.

Visibility of HR1859 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR1859 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR1859

The image below is a photograph of HR1859 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR1859 is 0.001 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1859 star
DSS2 image of HR1859. The red arrow shows the motion of HR1859 during the next 10000 years (0.17 arcmin in Right Ascension and -3.17 arcmin in declination);

Distance of HR1859 from the Sun and relative movement

HR1859 is distant 247.72 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

75.99 pc
247.72 ly
-2 km/s
0.001 arcsec/year
-0.019 arcsec/year

Spectral properties of HR1859

HR1859 belongs to spectral class F0 and has a luminosity class of IV corresponding to a hypergiant star.


The red dot in the diagram below shows where HR1859 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR1859. Attribution: Richard Powell / CC BY-SA

HR1859 star system properties

HR1859 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR1859 double sysyem:

1.1 arcsec

Alternative designations of HR1859