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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:06 
Transit: 12:13 
Sunset: 17:21
wb_twilight   (Astronomical Twilight)  
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All Constellations » Monoceros » 

20 Monocerotis

Above the horizon.  Rise: 15:34 | Tran: 21:11 | Set: 2:51
Alt: 26.94°   Az: 140.60°   Direction: South-East

20 Monocerotis is a multiple hypergiant star of spectral class K0 in the constellation of Monoceros.

20 Monocerotis visual magnitude is 4.92. Because of its moderate brightness, 20 Monocerotis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of 20 Monocerotis star
DSS2 image of 20 Monocerotis. The red arrow shows the motion of 20 Monocerotis during the next 1000 years (0.00 arcmin in Right Ascension and 3.58 arcmin in declination);

Celestial Coordinates

Apparent

07h 11m 28s
-04° 16’ 47”
21h 41m 42s
04h 53m 11s

J2000

07h 10m 13s
-04° 14’ 13”

Galactic Coordinates

218.85°
2.23°

Finder Chart

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Finder chart for 20 Monocerotis.

Magnitude, Color, Spectral Class

4.92
Hypergiant

0.86
K0III
4672K

The red dot in the diagram below shows where 20 Monocerotis is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 20 Monocerotis. Attribution: Richard Powell / CC BY-SA

Star System Properties

20 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 20 Monocerotis double sysyem:

4.92
9.82
4.9
186.2 arcsec

Distance, Radial Speed, Proper Motion

20 Monocerotis is distant 211.00 light years from the Sun and it is moving far from the Sun at the speed of 79 kilometers per second.

64.72
211.00
79 km/s
0.215"/y

Alternative Designations

20 Monocerotis
SAO134282
SAO134282

Visibility from Your Location

Today's 20 Monocerotis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.3°
Max altitude: 34.2°
Azimuth: 265.7°