EN
РусскийEnglishՀայերեն
Sections

Andromeda constellation

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

  • Autumnbest seen
  • Alpheratzbrightest star, magnitude 2.1
  • AndAndromeda
Show on the sky map
The constellation Andromeda in the starry sky: its figure and its bright stars Hamal, Aries — magnitude 2.0. Open on the sky mapAlpheratz, Andromeda — magnitude 2.1. Open on the sky mapAlpheratzMirach, Andromeda — magnitude 2.1. Open on the sky mapMirachAlmach, Andromeda — magnitude 2.1. Open on the sky mapAlmachScheat, Pegasus — magnitude 2.4. Open on the sky mapSheratan, Aries — magnitude 2.6. Open on the sky mapMatar, Pegasus — magnitude 2.9. Open on the sky mapδ Andromedae — magnitude 3.3. Open on the sky mapNembus, Andromeda — magnitude 3.6. Open on the sky mapNembusο Andromedae — magnitude 3.6. Open on the sky mapλ Andromedae — magnitude 3.8. Open on the sky mapμ Andromedae — magnitude 3.9. Open on the sky mapζ Andromedae — magnitude 4.1. Open on the sky mapTitawin, Andromeda — magnitude 4.1. Open on the sky mapκ Andromedae — magnitude 4.2. Open on the sky mapφ Andromedae — magnitude 4.3. Open on the sky mapι Andromedae — magnitude 4.3. Open on the sky mapπ Andromedae — magnitude 4.3. Open on the sky mapε Andromedae — magnitude 4.3. Open on the sky mapη Andromedae — magnitude 4.4. Open on the sky mapσ Andromedae — magnitude 4.5. Open on the sky mapν Andromedae — magnitude 4.5. Open on the sky map7 Andromedae — magnitude 4.5. 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 Andromeda

A chain of stars running from Alpheratz, a corner of the Great Square of Pegasus, towards Perseus. Next to it, on a dark night, the naked eye can see a misty oval — the Andromeda Galaxy.

Best seen in autumn: in October around 22:00 it is highest above the southern horizon — the center of the figure rises to about 77°.

LocationVisibility
40° NMadrid, New York, Beijingrises and sets, fully visible
52° NLondon, Berlin, Warsawrises and sets, fully visible
60° NOslo, Helsinki, Saint Petersburgnever sets — visible all year round

Bright stars of the constellation

StarMagnitudeColorDistance
Alpheratzα Andromedae 2.1bluish whiteabout 97 light years
Mirachβ Andromedae 2.1orange—
Almachγ¹ Andromedae 2.1orange—
δ Andromedae 3.3orange—
Nembus51 Andromedae 3.6orange—
ο Andromedae 3.6bluish white—
λ Andromedae 3.8orange—
μ Andromedae 3.9bluish white—
ζ Andromedae 4.1orange—
Titawinυ Andromedae 4.1yellow—
κ Andromedae 4.2bluish white—
φ Andromedae 4.3bluish white—

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 Andromeda in the sky?

A chain of stars running from Alpheratz, a corner of the Great Square of Pegasus, towards Perseus. Next to it, on a dark night, the naked eye can see a misty oval — the Andromeda Galaxy.

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

In autumn: in October 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 Andromeda?

Alpheratz: magnitude 2.1, bluish white. Distance: about 97 light years.

How many stars are there in the constellation Andromeda?

With the naked eye on a perfectly dark night — with no light pollution and no Moon — you can see about 81 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 Andromeda is now and when it will rise.
Open the sky map