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Pegasus constellation

Pegasus is a constellation of the northern sky. Its brightest star is Enif. Visibility at mid-northern latitudes (52° N): rises and sets, fully visible.

  • Autumnbest seen
  • Enifbrightest star, magnitude 2.4
  • PegPegasus
Show on the sky map
The constellation Pegasus in the starry sky: its figure and its bright stars Alpheratz, Andromeda — magnitude 2.1. Open on the sky mapEnif, Pegasus — magnitude 2.4. Open on the sky mapEnifScheat, Pegasus — magnitude 2.4. Open on the sky mapScheatMarkab, Pegasus — magnitude 2.5. Open on the sky mapMarkabAlgenib, Pegasus — magnitude 2.8. Open on the sky mapAlgenibMatar, Pegasus — magnitude 2.9. Open on the sky mapMatarHomam, Pegasus — magnitude 3.4. Open on the sky mapSadalbari, Pegasus — magnitude 3.5. Open on the sky mapBiham, Pegasus — magnitude 3.5. Open on the sky mapι Pegasi — magnitude 3.8. Open on the sky mapSadalnazi, Pegasus — magnitude 4.0. Open on the sky map1 Pegasi — magnitude 4.1. Open on the sky mapκ Pegasi — magnitude 4.1. Open on the sky mapSuudalnujum, Pegasus — magnitude 4.2. Open on the sky mapπ Pegasi — magnitude 4.3. Open on the sky map9 Pegasi — magnitude 4.3. Open on the sky mapAlkarab, Pegasus — magnitude 4.4. Open on the sky map2 Pegasi — magnitude 4.5. Open on the sky map55 Pegasi — magnitude 4.5. Open on the sky map70 Pegasi — magnitude 4.5. Open on the sky mapSalm, Pegasus — magnitude 4.6. Open on the sky map N ↑← E
North is up, east is left — this is how the constellation looks in the sky. Click a star to open it on the sky map.

How to find the constellation Pegasus

A large square of four stars, the most noticeable figure of the autumn sky. One of the four, Alpheratz, actually belongs to Andromeda.

Best seen in autumn: in September around 22:00 it is highest above the southern horizon — the center of the figure rises to about 59°.

LocationVisibility
40° NMadrid, New York, Beijingrises and sets, fully visible
52° NLondon, Berlin, Warsawrises and sets, fully visible
60° NOslo, Helsinki, Saint Petersburgrises and sets, fully visible

Bright stars of the constellation

StarMagnitudeColorDistance
Enifε Pegasi 2.4orange—
Scheatβ Pegasi 2.4red—
Markabα Pegasi 2.5bluish white—
Algenibγ Pegasi 2.8blue—
Matarη Pegasi 2.9yellow—
Homamζ Pegasi 3.4bluish white—
Sadalbariμ Pegasi 3.5orange—
Bihamθ Pegasi 3.5bluish white—
ι Pegasi 3.8white—
Sadalnaziλ Pegasi 4.0orange—
1 Pegasi 4.1orange—
κ Pegasi 4.1white—

Magnitude is a measure of a star’s brightness: the smaller the number, the brighter the star; on a dark night the naked eye can see stars down to magnitude 6.

Questions

How do you find the constellation Pegasus in the sky?

A large square of four stars, the most noticeable figure of the autumn sky. One of the four, Alpheratz, actually belongs to Andromeda.

When is the best time of year to observe the constellation Pegasus?

In autumn: in September around 22:00 the constellation is highest above the horizon. Two or three months earlier it can be seen before dawn, two or three months later only in the early evening, and half a year later it is in the sky during the day, near the Sun, and can’t be seen.

What is the brightest star in the constellation Pegasus?

Enif: magnitude 2.4, orange.

How many stars are there in the constellation Pegasus?

With the naked eye on a perfectly dark night — with no light pollution and no Moon — you can see about 98 stars in the constellation (brighter than magnitude 6, within the constellation’s boundaries). In a city far fewer: usually only the stars of its figure.

Autumn constellations

Find it in the sky tonightA sky map over your city: where the constellation Pegasus is now and when it will rise.
Open the sky map