science

Top 10 Brightest Stars in the Night Sky by Apparent Magnitude

The ten stars that shine brightest to the naked eye, ranked by apparent visual magnitude — the inverted, logarithmic scale where the most negative number wins.

Updated July 6, 2026 10 ranked 5 sources

Quick answer: 1. Sirius, 2. Canopus, 3. Alpha Centauri, 4. Arcturus, 5. Vega, 6. Capella, 7. Rigel, 8. Procyon, 9. Achernar, 10. Betelgeuse.

Apparent magnitude measures how bright a star looks from Earth, not how luminous it truly is — a nearby modest star can outshine a distant giant. The scale is deliberately counterintuitive: it runs backwards (smaller and more negative means brighter) and it is logarithmic, so each step of one magnitude is a brightness ratio of about 2.5x. This list ranks the ten brightest stars in the night sky by their apparent visual magnitude (V), the standard figure astronomers use for naked-eye brightness. It is for stargazers learning the sky's headline acts, from Sirius blazing over winter to Canopus low in the south, and anyone curious why a nearby white star beats a distant supergiant.

Apparent magnitude (V)

Apparent magnitude (V)
Sirius
Canopus
Alpha Centauri
Arcturus
Vega
Capella
Rigel
Procyon
Achernar
Betelgeuse
-1.460.50

The ranking

1

Sirius

The brightest star in the night sky by a wide margin, outshining the runner-up nearly twofold. Its dominance owes as much to proximity — just 8.6 light-years away — as to the intrinsic brightness of this A-type main-sequence star, which carries a white-dwarf companion, Sirius B.

Bayer designation: Alpha Canis MajorisConstellation: Canis MajorDistance (ly): 8.6Spectral type: A0mA1 Va
2

Canopus

The second-brightest star in the sky and the brightest in the southern constellation Carina. Unlike nearby Sirius, Canopus is a distant, luminous A-type giant some 310 light-years away — its brilliance is a mark of enormous intrinsic power.

Bayer designation: Alpha CarinaeConstellation: CarinaDistance (ly): 310Spectral type: A9II
3

Alpha Centauri

Ranked by the combined light of its two bright components (A at +0.01 and B at +1.33). At 4.34 light-years it is the nearest star system to the Sun, and its Sun-like primary makes it a favorite target in the search for nearby habitable worlds.

Bayer designation: Alpha Centauri (AB)Constellation: CentaurusDistance (ly): 4.34Spectral type: G2V + K1V
4

Arcturus

The brightest star in the entire northern celestial hemisphere. An orange K-type giant 37 light-years away in Bootes, it is a familiar spring beacon found by following the arc of the Big Dipper's handle.

Bayer designation: Alpha BootisConstellation: BootesDistance (ly): 37Spectral type: K1.5 III
5

Vega

A nearby A-type main-sequence star that historically defined the zero point of the magnitude scale. It anchors the Summer Triangle in Lyra and was one of the first stars ever photographed and to have its spectrum recorded.

Bayer designation: Alpha LyraeConstellation: LyraDistance (ly): 25Spectral type: A0Va
6

Capella

Ranked by its combined brightness, Capella is actually a system of two giant stars orbiting closely. The brightest star in Auriga at 43 light-years, it is the most northerly first-magnitude star and rides high on winter evenings.

Bayer designation: Alpha AurigaeConstellation: AurigaDistance (ly): 43Spectral type: K0 III + G1 III
7

Rigel

A blue-white B-type supergiant roughly 860 light-years away — by far the most distant star in the top ten. To shine this brightly across such a gulf, Rigel must be tens of thousands of times more luminous than the Sun.

Bayer designation: Beta OrionisConstellation: OrionDistance (ly): 860Spectral type: B8 Ia
8

Procyon

A nearby F-type star just 11 light-years away, and the brightest star in Canis Minor. Like Sirius it has a faint white-dwarf companion, and the two 'Dog Stars' flank Orion in the winter sky.

Bayer designation: Alpha Canis MinorisConstellation: Canis MinorDistance (ly): 11Spectral type: F5 IV-V
9

Achernar

The brightest star in Eridanus and the flattest known bright star, spun into a markedly oblate shape by its rapid rotation. Its brightness varies only slightly, roughly between magnitude 0.40 and 0.46.

Bayer designation: Alpha EridaniConstellation: EridanusDistance (ly): 140Spectral type: B3 Vpe
10

Betelgeuse

A red supergiant in Orion and a semi-regular variable whose brightness swings between about magnitude 0.0 and 1.3, so its rank in this list shifts over time — the value shown is its typical magnitude. It famously dimmed dramatically in 2019-2020 before recovering.

Bayer designation: Alpha OrionisConstellation: OrionDistance (ly): 640Spectral type: M1-M2 Ia-ab

Full comparison

# Name Bayer designationConstellationDistance (ly)Spectral type
1 Sirius Alpha Canis MajorisCanis Major8.6A0mA1 Va
2 Canopus Alpha CarinaeCarina310A9II
3 Alpha Centauri Alpha Centauri (AB)Centaurus4.34G2V + K1V
4 Arcturus Alpha BootisBootes37K1.5 III
5 Vega Alpha LyraeLyra25A0Va
6 Capella Alpha AurigaeAuriga43K0 III + G1 III
7 Rigel Beta OrionisOrion860B8 Ia
8 Procyon Alpha Canis MinorisCanis Minor11F5 IV-V
9 Achernar Alpha EridaniEridanus140B3 Vpe
10 Betelgeuse Alpha OrionisOrion640M1-M2 Ia-ab

How we ranked this

Stars are ranked by apparent visual magnitude (V) as seen from Earth — the standard astronomical brightness scale, which is inverted and logarithmic so the most negative value is the brightest. Rank 1 is the brightest (most negative magnitude). Multiple-star systems (Sirius, Alpha Centauri, Capella) are ranked by their combined/total apparent magnitude, the convention used for naked-eye brightness. The Sun, Moon, and planets are excluded — this is night-sky stars only. Values are drawn from the Hipparcos catalogue and Bright Star Catalogue via Wikipedia's List of brightest stars, cross-checked against Britannica; for variable stars (Betelgeuse, Achernar) a typical magnitude is used and its range noted.

FAQ

What is the brightest star in the night sky?

Sirius, in the constellation Canis Major, at apparent magnitude -1.46. It is the brightest by a wide margin — nearly twice as bright as the runner-up, Canopus — thanks partly to being only 8.6 light-years away.

Why is a lower magnitude number brighter?

The magnitude scale is inverted for historical reasons: ancient astronomers labeled the brightest stars 'first magnitude' and the faintest 'sixth,' so smaller numbers mean brighter. The scale is also logarithmic — a difference of 5 magnitudes equals a 100x brightness ratio, and each single magnitude step is about 2.5x.

Is apparent magnitude the same as how luminous a star really is?

No. Apparent magnitude is how bright a star looks from Earth, which depends on both its true luminosity and its distance. Nearby Sirius tops this list, while Rigel — far more luminous but 860 light-years away — sits at number seven. True brightness is measured separately as absolute magnitude.

Why isn't the Sun on this list?

The Sun is technically the brightest star we see (apparent magnitude about -26.7), but this list ranks stars of the night sky. The Sun, Moon, and planets are excluded so the ranking reflects the stars visible after dark.

Sources