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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: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Monoceros » 

27 Monocerotis

Altitude: -31.7°   Azimuth: 49.0°   Direction: North-East

27 Monocerotis is a giant star in the constellation of Monoceros.

27 Monocerotis visual magnitude is 4.93. Because of its moderate brightness, 27 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 27 Monocerotis:


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

Altitude: -31.7°
Azimuth: 49.0°
Direction: North-East

Celestial coordinates and finder chart of 27 Monocerotis

27 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 27 Monocerotis are provided in the following table:

07h 59m 44s
-03° 40’ 46”

The simplified sky map below shows the position of 27 Monocerotis in the sky:

Finder chart 27 Monocerotis star
Simplified finder chart for 27 Monocerotis.

Visibility of 27 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 27 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: 93.7°
Max altitude: 34.8°
Azimuth: 266.3°

Digitized Sky Survey image of 27 Monocerotis

The image below is a photograph of 27 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 27 Monocerotis is -0.054 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 27 Monocerotis star
DSS2 image of 27 Monocerotis. The red arrow shows the motion of 27 Monocerotis during the next 10000 years (-9.00 arcmin in Right Ascension and -0.50 arcmin in declination);

Distance of 27 Monocerotis from the Sun and relative movement

27 Monocerotis is distant 249.62 light years from the Sun and it is moving towards the Sun at the speed of 29 kilometers per second.

76.57 pc
249.62 ly
-29 km/s
-0.054 arcsec/year
-0.003 arcsec/year

Spectral properties of 27 Monocerotis

27 Monocerotis belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 27 Monocerotis is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 27 Monocerotis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 27 Monocerotis

27 Monocerotis