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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:03 
Transit: 12:56 
Sunset: 20:50
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All Constellations » Monoceros » 

α Monocerotis (alpha Monocerotis)

Above the horizon.  Rise: 11:43 | Tran: 16:52 | Set: 22:01
Alt: 28.83°   Az: 175.93°   Direction: South

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

α Monocerotis visual magnitude is 3.93. Because of its moderate brightness, α 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 α Monocerotis (alpha Monocerotis) star
DSS2 image of α Monocerotis. The red arrow shows the motion of α Monocerotis during the next 10000 years (-12.17 arcmin in Right Ascension and -3.17 arcmin in declination);

Celestial Coordinates

Apparent

07h 42m 27s
-09° 36’ 42”
23h 45m 32s
07h 28m 00s

J2000

07h 41m 14s
-09° 33’ 03”

Galactic Coordinates

227.19°
6.52°

Finder Chart

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Finder chart for α Monocerotis (alpha Monocerotis).

Magnitude, Color, Spectral Class

3.93
Hypergiant

0.70
K0III
4695K

The red dot in the diagram below shows where α Monocerotis is situated in the Hertzsprung–Russell diagram.

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

Distance, Radial Speed, Proper Motion

α Monocerotis is distant 144.18 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

44.23
144.18
11 km/s
-0.073 arcsec/y
-0.019"/y

Alternative Designations

α Monocerotis
(alpha Monocerotis)
26 Monocerotis
SAO134986
SAO134986

Visibility from Your Location

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

Azimuth: 99.6°
Max altitude: 28.9°
Azimuth: 260.4°