We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate now and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:52  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sleep NighttimeWhat's Visible Now?
All Constellations » Crater » 


Altitude: -31.8°   Azimuth: 58.5°   Direction: East-North-East

HR4446 is a giant star in the constellation of Crater.

HR4446 visual magnitude is 5.95. Because of its reltive faintness, HR4446 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 HR4446:


HR4446 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -31.8°
Azimuth: 58.5°
Direction: East-North-East

Celestial coordinates and finder chart of HR4446

HR4446 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4446 are provided in the following table:

11h 32m 47s
-07° 49’ 38”

The simplified sky map below shows the position of HR4446 in the sky:

Finder chart HR4446 star
Simplified finder chart for HR4446.

Visibility of HR4446 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 HR4446 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: 97.8°
Max altitude: 30.7°
Azimuth: 262.2°

Digitized Sky Survey image of HR4446

The image below is a photograph of HR4446 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 HR4446 is -0.007 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR4446 star
DSS2 image of HR4446. The red arrow shows the motion of HR4446 during the next 100000 years (-11.67 arcmin in Right Ascension and 6.67 arcmin in declination);

Distance of HR4446 from the Sun and relative movement

HR4446 is distant 574.96 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

176.37 pc
574.96 ly
-1 km/s
-0.007 arcsec/year
0.004 arcsec/year

Spectral properties of HR4446

HR4446 belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4446 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR4446. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4446