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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
north SunriseRise: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
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All Constellations » Pegasus » 

Sadalbari - μ Pegasi (mu Pegasi)

Altitude: 61.1°   Azimuth: 206.8°   Direction: South-South-West

Sadalbari, also designated as μ Pegasi (mu Pegasi), is a giant star in the constellation of Pegasus.

Sadalbari visual magnitude is 3.48. Because of its moderate brightness, Sadalbari should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about Sadalbari:


Sadalbari - μ Pegasi (mu Pegasi) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 61.1°
Azimuth: 206.8°
Direction: South-South-West

Celestial coordinates and finder chart of Sadalbari

Sadalbari is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Sadalbari are provided in the following table:

22h 50m 00s
+24° 36’ 06”

The simplified sky map below shows the position of Sadalbari in the sky:

Finder chart Sadalbari - μ Pegasi (mu Pegasi) star
Simplified finder chart for Sadalbari - μ Pegasi (mu Pegasi).

Visibility of Sadalbari from your location

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

Today's Sadalbari - μ Pegasi (mu Pegasi) rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.4°
Max altitude: 63.1°
Azimuth: 294.6°

Digitized Sky Survey image of Sadalbari

The image below is a photograph of Sadalbari from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of Sadalbari is 0.147 arcsec per year in Right Ascension and -0.042 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of Sadalbari - μ Pegasi (mu Pegasi) star
DSS2 image of Sadalbari. The red arrow shows the motion of Sadalbari during the next 1000 years (2.45 arcmin in Right Ascension and -0.70 arcmin in declination);

Distance of Sadalbari from the Sun and relative movement

Sadalbari is distant 116.64 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

35.78 pc
116.64 ly
14 km/s
0.147 arcsec/year
-0.042 arcsec/year

Spectral properties of Sadalbari

Sadalbari belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


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

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

Alternative designations of Sadalbari

μ Pegasi
(mu Pegasi)