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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
SunriseRise: 6:48  
clear_day Transit: 12:11  
SunsetSet: 17:34
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All Constellations » Musca » 

ε Muscae (epsilon Muscae)

Altitude: -37.1°   Azimuth: 156.4°   Direction: South-South-East

ε Muscae is a variable giant star in the constellation of Musca.

ε Muscae visual magnitude is 4.11. Because of its moderate brightness, ε Muscae should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of ε Muscae is -0.244 arcsec per year in Right Ascension and -0.025 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of ε Muscae (epsilon Muscae) star
DSS2 image of ε Muscae. The red arrow shows the motion of ε Muscae during the next 1000 years (-4.07 arcmin in Right Ascension and -0.42 arcmin in declination);

Key facts about ε Muscae


ε Muscae (epsilon Muscae) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -37.1°
Azimuth: 156.4°
Direction: South-South-East

Celestial coordinates and finder chart of ε Muscae

ε Muscae is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ε Muscae are provided in the following table:

12h 17m 34s
-67° 57’ 38”

The simplified sky map below shows the position of ε Muscae in the sky:

Finder chart ε Muscae (epsilon Muscae) star
Simplified finder chart for ε Muscae (epsilon Muscae).

Visibility of ε Muscae from your location

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

ε Muscae (epsilon Muscae) is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of ε Muscae from the Sun and relative movement

ε Muscae is distant 301.85 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

92.59 pc
301.85 ly
7 km/s
-0.244 arcsec/year
-0.025 arcsec/year

Spectral properties of ε Muscae

ε Muscae belongs to spectral class M5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where ε Muscae is situated in the Hertzsprung–Russell diagram.

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

Alternative designations of ε Muscae

ε Muscae
(epsilon Muscae)