Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:49  
clear_day Transit: 12:50  
SunsetSet: 18:50 south
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All Constellations » Monoceros » 

24 Monocerotis

Altitude: -20.2°   Azimuth: 62.8°   Direction: East-North-East

24 Monocerotis is a double giant star in the constellation of Monoceros.

24 Monocerotis visual magnitude is 6.41. Because of its reltive faintness, 24 Monocerotis 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 24 Monocerotis:


24 Monocerotis is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -20.2°
Azimuth: 62.8°
Direction: East-North-East

Celestial coordinates and finder chart of 24 Monocerotis

24 Monocerotis 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 24 Monocerotis are provided in the following table:

07h 15m 19s
-00° 09’ 41”

The simplified sky map below shows the position of 24 Monocerotis in the sky:

Finder chart 24 Monocerotis star
Simplified finder chart for 24 Monocerotis.

Visibility of 24 Monocerotis 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 24 Monocerotis 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: 90.2°
Max altitude: 38.4°
Azimuth: 269.8°

Digitized Sky Survey image of 24 Monocerotis

The image below is a photograph of 24 Monocerotis 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 24 Monocerotis is -0.02 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 24 Monocerotis star
DSS2 image of 24 Monocerotis. The red arrow shows the motion of 24 Monocerotis during the next 10000 years (-3.33 arcmin in Right Ascension and -0.33 arcmin in declination);

Distance of 24 Monocerotis from the Sun and relative movement

24 Monocerotis is distant 530.08 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

162.60 pc
530.08 ly
-10 km/s
-0.02 arcsec/year
-0.002 arcsec/year

Spectral properties of 24 Monocerotis

24 Monocerotis belongs to spectral class G5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 24 Monocerotis is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 24 Monocerotis. Attribution: Richard Powell / CC BY-SA

24 Monocerotis star system properties

24 Monocerotis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 24 Monocerotis double sysyem:

3.8 arcsec

Alternative designations of 24 Monocerotis

24 Monocerotis