Sagittarius Constellation: Stars, Mythology, Deep Space Objects, Star Map & Facts

By : / Updated : Jul 16th, 2026 23:49

Contents

Sagittarius Constellation Facts and Figures

Sagittarius's Stars

Here are a few facts about the stars in the constellation.

  • Sagittarius has nineteen stars that make up the constellation's shape.
  • The Hipparcos satellite scanned and detailed two thousand five hundred stars.
  • You can see two hundred and twenty-two stars within the Sagittarius constellation borders with the naked eye on a clear night sky.
  • Ross 154 is Sagittarius's nearest star, about 9.69 light-years from the Earth.
  • The nearest star in Sagittarius to the Earth with an exoplanet is Gumala, about 89.85 light-years away.
  • VX Sagittarii is Sagittarius's largest star in the constellation.

Kaus Australis

Sagittarius's brightest star is Kaus Australis, about 143.31 light-years from the Sun. The star is designated as Epsilon Sagittarii rather than Alpha designation. Alpha stars tend to be the brightest in the constellation. Kaus Australis has an apparent magnitude of 1.79 but an absolute magnitude of -1.42. The difference between the magnitudes is that absolute magnitude is the object from 10 Parsecs or 32.6 light-years away from the observer, whereas apparent is from Earth.

Other Major Stars

This is a list of other stars that make up part of the constellation but have been detailed above yet. Other visible stars in the constellation can be found Sagittarius Star List page.

NameBayerSpectral TypeDistanceExoplanets
Kaus MediaDelta SagittariiK3III347.72
AscellaZeta SagittariiA3IV88.20
Iota SagittariiIota SagittariiK0III181.81
Kaus BorealisLambda SagittariiK1IIIb78.18
Xi1 SagittariiXi1 SagittariiB9.5Ib2064.32
Omicron SagittariiOmicron SagittariiK0III142.06
AlbaldahPi SagittariiF2II/III509.63
Rho1 SagittarriRho SagittariiF0III/IV126.96
NunkiSigma SagittariiB2.5V227.77
Tau SagittariiTau SagittariiK1/K2III121.61
Upsilon SagittariiUpsilon SagittariiF2p1782.31
Phi SagittariiPhi SagittariiB8.5III239.30
Chi1 SagittariiChi1 SagittariiA4IV/V251.86
Psi SagittariiPsi SagittariiK0/K1III+..298.41
52 SagittariiB8/B9V189.63
59 SagittariiK3III832.05
62 SagittariiM4III448.64
43 SagittariiK0III481.78

Sagittarius Constellation Facts

  • KW Sagittarii is one of the largest known stars in the galaxy. If KW Sagittarii were in the centre of our solar system, it would have engulfed our planet and life would not have existed here.
  • The Peony Star is the second most luminous star in the galaxy and is classed as a Wolf-Rayet star. The most lumnious is Eta Carinae. This star has used up all its hydrogen reserves and moved on to other elements. It is expelling plasma at a very high rate through its winds.
  • The Pistol Star is an LBV (Luminous Blue Variable), and it refers to it expelling so much energy out. Its name comes from the nebula, Pistol Nebula, of which it is a part. IOP. It is an extremely luminous star near the Milky Way's galactic centre.
  • The centre of the Milky Way, a giant black hole is located within this constellation. It is located near the border with Scorpius. Several huge supergiant stars exist in this constellation, including KW and VX Sagittarii.
  • Like KW Sagittarii, this star VX Sagittarii is one of the largest stars in the galaxy. We wouldn't be here if VX were located in the spot of the Sun instead of the Sun because it would be so massive.

How to Find Sagittarius in the night sky

Northern Hemisphere

London, Great Britain, although Sagittarius is one of the Zodiac constellations, it is primarily a southern constellation. It is challenging to see from London. It barely reaches over the horizon when it's viewable.

Washington, D.C., United States, the further south you go, the better your chances of seeing Sagittarius. If you're in Washington, D.C., you will see it in a South-Easterly direction as it appears in September and then disappears by October. Any earlier in the year, you'd be hard-pressed to see it. You'd have to get up very early or stay up late. It is barely visible any further north, such as London, and the best time to see it is from late June to early August.

Southern Hemisphere

The southern hemisphere is the best place to see Sagittarius. It will appear at about 9 pm in July and rise higher into the sky during the night and successive days and nights. It will eventually be unviewable in late January.

Mythology

Sagittarius Archer

Sagittarius was once known as Crotus, son of Pan, a Centaur. A centaur is a half-man, half-horse. Commonly mistaken for Chiron, who is immortalised as Centaurus. He was the protector of the Muses, where he invented applause. The Muses asked Zeus to turn him into a constellation to reward his dedication.

The image is AI-generated but imperfect, with two tails, whereas the real mythological one would have only one. The bow would also be better.

Zodiac

Sagittarius is a member of the Zodiac group of 12 constellations. Astrologers use the Zodiac constellations to predict someone's future based on their date of birth and which constellation appeared after Sunset.

The Zodiac astrological year was divided equally between the twelve signs, but when they appear in the night sky, they no longer conform to the Zodiac calendar. The Zodiac constellations are the thirteen signs along the Ecliptic, although only twelve are used in astrology.

Sagittarius Distance From Earth

You cannot just go to one location and arrive in the Sagittarius constellation, and this is because it is made up of stars at different positions and distances. Of the main stars, the nearest star (Kaus Borealis) in the constellation is at a distance of 78.18 light-years, and the furthest star is Xi1 Sagittarii, at a distance of 2,064.32 light-years. The average distance to the major stars is 450.29 light years. Main stars refer to the stars that make up the constellation outline.

Because of the distances of objects, we see how they looked in the past. To know how far back we are looking, take the amount and remove the word "Light", and you will get an idea of how long ago they looked like that. By now, the object may look different.

Sagittarius Star Map


Sagittarius Star Map

Sagittarius Constellation Facts


NameSagittarius
AbbreviationSgr
Zodiac SignYes
Area867.432 sq. deg.
Night Sky 2.1%
Size Position15th
Celestial HemisphereSouth
Meteor Shower(s)16
Nearest StarRoss 154
...with Exoplanet(s)Gumala
Largest StarVX Sagittarii
Brightest StarKaus Australis
Dimmest Star141 G. Sagittarii
Furthest StarHIP 92721
Bright Star Count222
Hipp. Star Count2500
Main Star Count19
Messier D.S.O. Count15
ListsDeep Space Objects
 Exoplanets
 Meteor Showers
 Stars
Main StarsKaus Media
 Kaus Australis
 Ascella
 Iota Sagittarii
 Kaus Borealis
 Xi1 Sagittarii
 Omicron Sagittarii
 Albaldah
 Rho1 Sagittarri
 Nunki
 Tau Sagittarii
 Upsilon Sagittarii
 Phi Sagittarii
 Chi1 Sagittarii
 Psi Sagittarii
 52 Sagittarii
 59 Sagittarii
 62 Sagittarii
 43 Sagittarii

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