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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:57  
clear_day Transit: 12:11  
SunsetSet: 17:27
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All Constellations » Musca » 

ι1 Muscae (iota1 Muscae)

Altitude: -64.6°   Azimuth: 194.6°   Direction: South-South-West

ι1 Muscae is a hypergiant star in the constellation of Musca.

ι1 Muscae visual magnitude is 5.05. Because of its reltive faintness, ι1 Muscae should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of ι1 Muscae is -0.115 arcsec per year in Right Ascension and -0.13 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of ι1 Muscae (iota1 Muscae) star
DSS2 image of ι1 Muscae. The red arrow shows the motion of ι1 Muscae during the next 1000 years (-1.92 arcmin in Right Ascension and -2.17 arcmin in declination);

Key facts about ι1 Muscae


ι1 Muscae (iota1 Muscae) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -64.6°
Azimuth: 194.6°
Direction: South-South-West

Celestial coordinates and finder chart of ι1 Muscae

ι1 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 ι1 Muscae are provided in the following table:

13h 25m 07s
-74° 53’ 16”

The simplified sky map below shows the position of ι1 Muscae in the sky:

Finder chart ι1 Muscae (iota1 Muscae) star
Simplified finder chart for ι1 Muscae (iota1 Muscae).

Visibility of ι1 Muscae from your location

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

ι1 Muscae (iota1 Muscae) is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of ι1 Muscae from the Sun and relative movement

ι1 Muscae is distant 224.67 light years from the Sun and it is moving far from the Sun at the speed of 28 kilometers per second.

68.92 pc
224.67 ly
28 km/s
-0.115 arcsec/year
-0.13 arcsec/year

Spectral properties of ι1 Muscae

ι1 Muscae belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where ι1 Muscae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ι1 Muscae. Attribution: Richard Powell / CC BY-SA

Alternative designations of ι1 Muscae

ι1 Muscae
(iota1 Muscae)