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public LocationGreenwich, United Kingdom
Sunrise: 4:53 
Transit: 12:55 
Sunset: 20:59
sunny   (Daytime)   What's Visible Now?

λ Muscae (lambda Muscae)

Altitude: -28.3°   Azimuth: 177.3°   Direction: South

λ Muscae is a double giant star in the constellation of Musca.

λ Muscae visual magnitude is 3.64. Because of its moderate brightness, λ 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 λ Muscae is -0.103 arcsec per year in Right Ascension and 0.037 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of λ Muscae (lambda Muscae) star
DSS2 image of λ Muscae. The red arrow shows the motion of λ Muscae during the next 1000 years (-1.72 arcmin in Right Ascension and 0.62 arcmin in declination);

Key facts about λ Muscae


λ Muscae (lambda Muscae) is below the horizon from Greenwich, United Kingdom.

Altitude: -28.3°
Azimuth: 177.3°
Direction: South

Celestial coordinates and finder chart of λ Muscae

λ 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 λ Muscae are provided in the following table:

11h 45m 36s
-66° 43’ 42”

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

Finder chart λ Muscae (lambda Muscae) star
Simplified finder chart for λ Muscae (lambda Muscae).

Visibility of λ Muscae from your location

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

λ Muscae (lambda Muscae) is currently not visible from Greenwich, United Kingdom

Distance of λ Muscae from the Sun and relative movement

λ Muscae is distant 128.25 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

39.34 pc
128.25 ly
16 km/s
-0.103 arcsec/year
0.037 arcsec/year

Spectral properties of λ Muscae

λ Muscae belongs to spectral class A7 and has a luminosity class of III corresponding to a giant star.


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

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

λ Muscae star system properties

λ Muscae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the λ Muscae double sysyem:

40.6 arcsec

Alternative designations of λ Muscae

λ Muscae
(lambda Muscae)