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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: 7:44  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
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All Constellations » Monoceros » 

28 Monocerotis

Altitude: 2.7°   Azimuth: 95.6°   Direction: East

28 Monocerotis is a variable giant star in the constellation of Monoceros.

28 Monocerotis visual magnitude is 4.68. Because of its moderate brightness, 28 Monocerotis should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about 28 Monocerotis:


28 Monocerotis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 2.7°
Azimuth: 95.6°
Direction: East

Celestial coordinates and finder chart of 28 Monocerotis

28 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 28 Monocerotis are provided in the following table:

08h 01m 13s
-01° 23’ 33”

The simplified sky map below shows the position of 28 Monocerotis in the sky:

Finder chart 28 Monocerotis star
Simplified finder chart for 28 Monocerotis.

Visibility of 28 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 28 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: 91.4°
Max altitude: 37.1°
Azimuth: 268.6°

Digitized Sky Survey image of 28 Monocerotis

The image below is a photograph of 28 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 28 Monocerotis is 0.068 arcsec per year in Right Ascension and -0.073 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 28 Monocerotis star
DSS2 image of 28 Monocerotis. The red arrow shows the motion of 28 Monocerotis during the next 10000 years (11.33 arcmin in Right Ascension and -12.17 arcmin in declination);

Distance of 28 Monocerotis from the Sun and relative movement

28 Monocerotis is distant 472.46 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

144.93 pc
472.46 ly
27 km/s
0.068 arcsec/year
-0.073 arcsec/year

Spectral properties of 28 Monocerotis

28 Monocerotis 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 28 Monocerotis is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 28 Monocerotis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 28 Monocerotis

28 Monocerotis