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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: 6:35  
clear_day Transit: 12:10  
SunsetSet: 17:45
sunny DaytimeWhat's Visible Now?
All Constellations » Fornax » 


Altitude: 1.0°   Azimuth: 147.7°   Direction: South-South-East

HR990 is a hypergiant star in the constellation of Fornax.

HR990 visual magnitude is 6.65. Because of its reltive faintness, HR990 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 HR990 is 0.03 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR990 star
DSS2 image of HR990. The red arrow shows the motion of HR990 during the next 10000 years (5.00 arcmin in Right Ascension and 0.67 arcmin in declination);

Key facts about HR990


HR990 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 1.0°
Azimuth: 147.7°
Direction: South-South-East

Celestial coordinates and finder chart of HR990

HR990 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 HR990 are provided in the following table:

03h 16m 11s
-30° 49’ 39”

The simplified sky map below shows the position of HR990 in the sky:

Finder chart HR990 star
Simplified finder chart for HR990.

Visibility of HR990 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 HR990 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: 120.8°
Max altitude: 7.7°
Azimuth: 239.2°

Distance of HR990 from the Sun and relative movement

HR990 is distant 629.34 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

193.05 pc
629.34 ly
20 km/s
0.03 arcsec/year
0.004 arcsec/year

Spectral properties of HR990

HR990 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR990 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR990. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR990