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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: 6:52  
clear_day Transit: 12:11  
SunsetSet: 17:31
sunny DaytimeWhat's Visible Now?
All Constellations » Fornax » 

HR903

Altitude: 0.0°   Azimuth: 149.7°   Direction: South-South-East

HR903 is a hypergiant star in the constellation of Fornax.

HR903 visual magnitude is 6.31. Because of its reltive faintness, HR903 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 HR903 is 0.01 arcsec per year in Right Ascension and 0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR903 star
DSS2 image of HR903. The red arrow shows the motion of HR903 during the next 10000 years (1.67 arcmin in Right Ascension and 1.83 arcmin in declination);

Key facts about HR903

6.31
Hypergiant

HR903 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 0.0°
Azimuth: 149.7°
Direction: South-South-East

Celestial coordinates and finder chart of HR903

HR903 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 HR903 are provided in the following table:

02h 59m 38s
-32° 30’ 25”
231.73°
-61.79°
Fornax

The simplified sky map below shows the position of HR903 in the sky:

Finder chart HR903 star
Simplified finder chart for HR903.

Visibility of HR903 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 HR903 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: 122.5°
Max altitude: 6.0°
Azimuth: 237.5°

Distance of HR903 from the Sun and relative movement

HR903 is distant 412.66 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

126.58 pc
412.66 ly
16 km/s
0.01 arcsec/year
0.011 arcsec/year

Spectral properties of HR903

HR903 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

0.80
A0V
10125K

The red dot in the diagram below shows where HR903 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR903. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR903

SAO194023
SAO194023