Mu Pegasi (μ Peg / μ Pegasi) is a star in the constellation Pegasus. It also has the traditional name Sadalbari (arab. "luck star of the splendid one").

It has spectral class M2 and is of apparent magnitude 3.5.

Mu Pegasi is approximately 108 light-years from Earth. Coordinates (epoch J2000) are:

• Right ascension: 22h47m40s
• Declination: +24°20'0"

Bayer objects | Pegasus constellation

Sadalbari | Sadalbari | Sadalbari