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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: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sleep NighttimeWhat's Visible Now?
All Constellations » Musca » 


Altitude: -26.8°   Azimuth: 174.5°   Direction: South

HR4401 is a double main-sequence star in the constellation of Musca.

HR4401 visual magnitude is 5.11. Because of its reltive faintness, HR4401 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 HR4401 is -0.001 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR4401 star
DSS2 image of HR4401. The red arrow shows the motion of HR4401 during the next 100000 years (-1.67 arcmin in Right Ascension and -8.33 arcmin in declination);

Key facts about HR4401


HR4401 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -26.8°
Azimuth: 174.5°
Direction: South

Celestial coordinates and finder chart of HR4401

HR4401 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 HR4401 are provided in the following table:

11h 23m 21s
-64° 57’ 17”

The simplified sky map below shows the position of HR4401 in the sky:

Finder chart HR4401 star
Simplified finder chart for HR4401.

Visibility of HR4401 from your location

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

HR4401 is currently not visible from Greenwich, United Kingdom edit_location_alt

Spectral properties of HR4401

HR4401 belongs to spectral class B5 and has a luminosity class of V corresponding to a main-sequence star.


HR4401 star system properties

HR4401 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR4401 double sysyem:

2.6 arcsec

Alternative designations of HR4401