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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 » Antlia » 


Altitude: -43.1°   Azimuth: 273.2°   Direction: West

HR3956 is a giant star in the constellation of Antlia.

HR3956 visual magnitude is 6.54. Because of its reltive faintness, HR3956 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 HR3956 is -0.014 arcsec per year in Right Ascension and 0.03 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3956 star
DSS2 image of HR3956. The red arrow shows the motion of HR3956 during the next 10000 years (-2.33 arcmin in Right Ascension and 5.00 arcmin in declination);

Key facts about HR3956


HR3956 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -43.1°
Azimuth: 273.2°
Direction: West

Celestial coordinates and finder chart of HR3956

HR3956 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 HR3956 are provided in the following table:

10h 02m 49s
-30° 34’ 39”

The simplified sky map below shows the position of HR3956 in the sky:

Finder chart HR3956 star
Simplified finder chart for HR3956.

Visibility of HR3956 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 HR3956 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: 120.6°
Max altitude: 7.9°
Azimuth: 239.4°

Distance of HR3956 from the Sun and relative movement

HR3956 is distant 623.33 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

191.20 pc
623.33 ly
14 km/s
-0.014 arcsec/year
0.03 arcsec/year

Spectral properties of HR3956

HR3956 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3956 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3956. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3956