SkyRef / Stars

Enif

ε Peg. Magnitude 2.39, orange-red. Comfortably visible to the naked eye from a suburban sky.

The numbers

Designationε Peg
Magnitude2.39
Colourorange-red
Right ascension21.736h
Declination+9.88°
B−V index1.53
CatalogueHR 8308

What you are looking at

Astronomers call it ε Peg — the Bayer designation, which reads as a Greek letter ranking its brightness within its constellation. Enif is the name people actually use.

Enif shines at magnitude 2.39, making it comfortably visible to the naked eye from a suburban sky. Its B−V colour index of 1.53 makes it orange-red to the eye, corresponding to a surface temperature of under 4,000 K.

It sits at right ascension 21.74 hours and declination +9.9°. It straddles the celestial equator, so it is visible from essentially anywhere on Earth at the right time of year.

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