Your guide to the Solar System and the night sky
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🌎  Greenwich, United Kingdom [change]

β Monocerotis (beta Monocerotis)

β Monocerotis is a variable and multiple star in the constellation of Monoceros.

β Monocerotis visual magnitude is 5.6. Because of its reltive faintness, β 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 β Monocerotis:

5.6
β Monocerotis (beta Monocerotis) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 31°.

Celestial coordinates and finder chart of β Monocerotis

β 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 β Monocerotis are provided in the following table:

06h 28m 49s
-07° 02’ 03”
216.66°
-8.21°
Monoceros

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

Finder chart β Monocerotis (beta Monocerotis) star
Simplified finder chart for β Monocerotis (beta Monocerotis).

Visibility of β Monocerotis from your location

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

Today's β Monocerotis (beta Monocerotis) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 97.0°
Max altitude: 31.5°
Azimuth: 263.0°
β Monocerotis (beta Monocerotis) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of β Monocerotis

The image below is a photograph of β 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 β Monocerotis is -0.016 arcsec per year in Right Ascension and 0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of β Monocerotis (beta Monocerotis) star
DSS2 image of β Monocerotis. The red arrow shows the motion of β Monocerotis during the next 10000 years (-2.67 arcmin in Right Ascension and 0.83 arcmin in declination);

Spectral properties of β Monocerotis

β Monocerotis belongs to spectral class B3

B3
10125K

β Monocerotis star system properties

β 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 β Monocerotis double sysyem:

5.6
6.1
0.5
7.1 arcsec

Alternative designations of β Monocerotis

β Monocerotis
(beta Monocerotis)
11 Monocerotis