The 10 Brightest Stars in the Night Sky

Sirius, the brightest star in the night sky
Sirius, the brightest star in the night sky. Image credit: Akira Fujii / ESA/Hubble

Sirius is the brightest star in the night sky, followed by Canopus and Alpha Centauri. This list ranks the 10 brightest nighttime stars by apparent visual magnitude, which measures how bright they appear from Earth. The lower the magnitude number, the brighter the star appears.

The Sun is by far the brightest star seen from Earth, but it is excluded here because this list covers stars visible in the night sky. Several entries are also multiple-star systems that appear as a single point of light to the naked eye.

The 10 Brightest Stars at a Glance

RankStarApparent magnitudeConstellationDistanceType
1Sirius−1.46Canis Major8.6 light-yearsA-type main-sequence star + white dwarf
2Canopus−0.74Carina~310 light-yearsA-type bright giant
3Alpha Centauri−0.27 (combined)Centaurus4.37 light-yearsMultiple-star system
4Arcturus−0.05Boötes36.7 light-yearsK-type orange giant
5Vega+0.03Lyra25.0 light-yearsA-type main-sequence star
6Capella+0.08 (combined)Auriga43 light-yearsMultiple-star system dominated by two giants
7Rigel+0.13Orion~860 light-yearsB-type blue supergiant
8Procyon+0.34Canis Minor11.5 light-yearsF-type star + white dwarf
9Achernar+0.46Eridanus~140 light-yearsRapidly rotating B-type star
10Betelgeuse~+0.5 (variable)OrionSeveral hundred light-yearsM-type red supergiant

Apparent magnitudes are representative visual values. Variable stars can change in brightness, so the exact order of the lower positions may vary.

The 10 brightest stars in the night sky ranked by apparent magnitude
The 10 brightest stars ranked by apparent visual magnitude. Lower magnitude values indicate brighter objects. Graphic: AstronomyTrek.

Meet the Brightest Stars in the Night Sky

1. Sirius — The Brightest Star in the Night Sky

  • Location & brightness: Sirius is the brightest star in the night sky, shining at an apparent magnitude of −1.46. Located in Canis Major, just 8.6 light-years away, its exceptional brightness is partly due to its proximity to Earth.
  • Star type & characteristics: Sirius is a binary system consisting of Sirius A, a hot, blue-white A-type main-sequence star that is larger, hotter, and more luminous than the Sun, and Sirius B, a much fainter white dwarf left behind after a star’s normal life ended.
  • Where to see it: Sirius is especially prominent during Northern Hemisphere winter. To find it, follow the three stars of Orion’s Belt downward toward the southeast until you reach the brilliant star in Canis Major.

2. Canopus — A Southern-Sky Giant

  • Location & brightness: Canopus is the second-brightest star in the night sky, with an apparent magnitude of about −0.74. It lies roughly 310 light-years away in the southern constellation Carina, making its brightness particularly impressive compared with much closer stars such as Sirius.
  • Star type & characteristics: Canopus is an evolved A-type bright giant, with a radius roughly 70 times that of the Sun. It emits around 10,000 times as much energy as the Sun, explaining why it appears so bright despite its considerable distance.
  • Where to see it: Canopus is primarily a Southern Hemisphere star. It can also be seen from lower northern latitudes, but never rises from much of Europe and the northern United States. Its brilliant white appearance makes it relatively easy to recognize in southern skies.

3. Alpha Centauri — Our Nearest Bright Stellar Neighbor

  • Location & brightness: Alpha Centauri is the third-brightest star in the night sky, with the combined light of its two main visible stars reaching an apparent magnitude of about −0.27. Located in Centaurus, approximately 4.37 light-years away, it is our nearest neighboring star system.
  • Star type & characteristics: Alpha Centauri A and B orbit each other and are broadly similar to the Sun. Alpha Centauri A is a G-type main-sequence star, while the smaller Alpha Centauri B is a K-type star. A much fainter third member, Proxima Centauri, lies farther from the pair and is the closest individual star to the Sun.
  • Where to see it: Alpha Centauri cannot be seen from most northern latitudes. In Southern Hemisphere skies, Alpha Centauri and nearby Beta Centauri form the Southern Pointers, which help observers locate the Southern Cross.

4. Arcturus — The Orange Giant of Boötes

  • Location & brightness: Arcturus is the brightest star in Boötes and the fourth-brightest star in the night sky, with an apparent magnitude of about −0.05. Located 36.7 light-years away, it has a distinctive orange appearance.
  • Star type & characteristics: Arcturus is an evolved K-type giant that has exhausted the hydrogen in its core. It has expanded to around 25 times the Sun’s radius and emits roughly 170 times as much energy. Its cooler surface temperature gives it its orange color.
  • Where to see it: Arcturus is particularly prominent during Northern Hemisphere spring and early summer. Follow the curve of the Big Dipper’s handle away from the bowl to find it—the familiar observing rule is to “arc to Arcturus.”

5. Vega — The Beacon of the Summer Triangle

  • Location & brightness: Vega is the brightest star in Lyra and the fifth-brightest star in the night sky, with an apparent magnitude of about +0.03. It lies approximately 25 light-years away.
  • Star type & characteristics: Vega is a hot A-type main-sequence star rotating at roughly 240 km/s (150 miles/s) at its equator. This rapid rotation makes it wider around its equator than at its poles. From Earth, we happen to view Vega relatively close to pole-on.
  • Where to see it: Vega is especially prominent during Northern Hemisphere summer. Together with Deneb and Altair, it forms the Summer Triangle, a distinctive landmark that makes Vega one of the easiest bright stars for beginners to identify.

6. Capella — The Golden Star of Auriga

  • Location & brightness: Capella is the brightest star in Auriga and the sixth-brightest star in the night sky, with a combined apparent magnitude of about +0.08. The system lies approximately 43 light-years away.
  • Star type & characteristics: Although Capella appears as a single golden-yellow star to the naked eye, it is actually a multiple-star system. Most of its visible light comes from two evolved giant stars orbiting each other, while a much fainter pair of red dwarfs lies farther away.
  • Where to see it: Capella is especially conspicuous during Northern Hemisphere autumn and winter. Its yellowish appearance and position in the distinctive pattern of Auriga make it relatively easy to recognize.

7. Rigel — Orion’s Blue Supergiant

  • Location & brightness: Rigel is usually the brightest star in Orion, shining at an apparent magnitude of around +0.13. Despite lying roughly 860 light-years away, it remains one of the brightest stars visible in the night sky.
  • Star type & characteristics: Rigel is a massive B-type blue supergiant that emits roughly 100,000 times as much energy as the Sun. Its extraordinary intrinsic luminosity explains why it appears so bright from such a great distance. Rigel also belongs to a multiple-star system, although its companions are overwhelmed by the primary star’s brilliance to the naked eye.
  • Where to see it: Rigel is easy to locate in Orion. Find Orion’s Belt, then look for the brilliant blue-white star marking the lower-right corner of the constellation’s familiar pattern as seen from northern latitudes.

8. Procyon — A Neighbor in the Winter Triangle

  • Location & brightness: Procyon is the brightest star in Canis Minor, with an apparent magnitude of about +0.34. At only 11.5 light-years away, it is one of the Sun’s relatively close stellar neighbors.
  • Star type & characteristics: Procyon is a binary system consisting of Procyon A, an F-type star emitting roughly seven times as much energy as the Sun, and Procyon B, a faint white dwarf companion. The white dwarf is the remnant of a star that evolved much more rapidly.
  • Where to see it: Procyon is easiest to see during Northern Hemisphere winter. Together with Sirius and Betelgeuse, it forms the large, easily recognized Winter Triangle.

9. Achernar — A Rapidly Rotating Southern Star

  • Location & brightness: Achernar is the brightest star in Eridanus, with an apparent magnitude of about +0.46. It lies roughly 140 light-years away and is one of the brightest stars associated with the southern sky.
  • Star type & characteristics: Achernar is a hot B-type star rotating at roughly 250 km/s (155 miles/s) at its equator. Its rapid rotation makes it distinctly flattened, with its equatorial region extending considerably farther from the center than its poles, rather than forming a near-perfect sphere.
  • Where to see it: Achernar is best observed from the Southern Hemisphere and lower northern latitudes. Its position near the southern end of the long constellation Eridanus makes it unfamiliar to many Northern Hemisphere observers despite its exceptional brightness.

10. Betelgeuse — Orion’s Variable Red Supergiant

  • Location & brightness: Betelgeuse marks one shoulder of Orion and typically shines at an apparent magnitude of around +0.5. However, its brightness varies considerably, meaning its exact position among the brightest stars changes over time. It lies several hundred light-years away.
  • Star type & characteristics: Betelgeuse is an enormous M-type red supergiant in the later stages of its stellar evolution. It is intrinsically tens of thousands of times more luminous than the Sun, with a distinctive orange-red color that contrasts strongly with blue-white Rigel.
  • Where to see it: Betelgeuse is easily recognized in Orion, opposite Rigel in the constellation’s familiar pattern. Together with Sirius and Procyon, it forms the Winter Triangle, making it one of the easiest red supergiants to identify with the naked eye.

Why Do Some Stars Look Brighter Than Others?

How bright a star appears in our sky depends mainly on two things: how much light the star actually produces and how far away it is. This is why the brightest-looking stars are not necessarily the most intrinsically luminous.

Sirius, for example, is highly luminous compared with the Sun, but its position at the top of the list is helped enormously by its proximity—just 8.6 light-years away. Rigel is hundreds of light-years more distant, yet still appears among the brightest stars because the blue supergiant produces vastly more light.

Astronomers describe a star’s brightness as seen from Earth using apparent magnitude. On this scale, lower numbers mean brighter objects, and the brightest objects have negative values. For example, the Sun has an apparent magnitude of about −26.7, while Sirius, the brightest star in the night sky, is about −1.46. By comparison, an ordinary naked-eye star might be around magnitude +3.

This is different from a star’s intrinsic luminosity, which describes the amount of energy it actually emits. A star can therefore dominate our night sky because it is relatively close, enormously luminous, or—as in some cases—a combination of both. The wider range of main-sequence stars, giants, supergiants and stellar remnants is explored in our guide to the different types of stars.

Polaris is famous for a different reason. Its position almost directly above Earth’s north celestial pole means it stays nearly fixed in the northern sky as the other stars appear to circle around it, making the North Star an important navigational marker. With an apparent magnitude of about +2, however, Polaris is bright rather than exceptional and does not rank among the ten brightest stars in the night sky.