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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
north SunriseRise: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sleep NighttimeWhat's Visible Now?
All Constellations » Monoceros » 


Altitude: -15.4°   Azimuth: 82.7°   Direction: East

HR2328 is a double hypergiant star in the constellation of Monoceros.

HR2328 visual magnitude is 6.27. Because of its reltive faintness, HR2328 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 HR2328:


HR2328 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -15.4°
Azimuth: 82.7°
Direction: East

Celestial coordinates and finder chart of HR2328

HR2328 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 HR2328 are provided in the following table:

06h 26m 44s
-07° 30’ 41”

The simplified sky map below shows the position of HR2328 in the sky:

Finder chart HR2328 star
Simplified finder chart for HR2328.

Visibility of HR2328 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 HR2328 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: 97.5°
Max altitude: 31.0°
Azimuth: 262.5°

Digitized Sky Survey image of HR2328

The image below is a photograph of HR2328 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 HR2328 is 0.006 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR2328 star
DSS2 image of HR2328. The red arrow shows the motion of HR2328 during the next 100000 years (10.00 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR2328 from the Sun and relative movement

HR2328 is distant 409.03 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

125.47 pc
409.03 ly
20 km/s
0.006 arcsec/year
-0.001 arcsec/year

Spectral properties of HR2328

HR2328 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 HR2328 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2328. Attribution: Richard Powell / CC BY-SA

HR2328 star system properties

HR2328 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR2328 double sysyem:

21.1 arcsec

Alternative designations of HR2328