swap_horiz Thuban Alternatives

1

Sirius

Sirius is the most luminous star visible from Earth. It’s a binary star system consisting of a brilliant white A-type ma...

Navigation Binary A Type Brightest Star

9.2 Excellent

2

RR Lyrae

The prototype of RR Lyrae-type pulsating variable stars in Lyra, widely used as standard candles for measuring distances...

Giant Lyra A Type Pulsating

9.0 Excellent

3

Etamin

Gamma Draconis, the brightest star in Draco, an orange giant about 154 light-years away; James Bradley's observations of...

Bright Orange Giant Draco

8.3 Great

4

Adhara

Adhara is the brightest star in Canis Major after Sirius, a blue supergiant about 430 light-years away and one of the st...

Binary Giant B Type Canis Majoris

8.2 Great

5

Izar

Izar (Epsilon Boötis) is a celebrated telescopic double star in Boötes, prized for its vivid color contrast between an o...

Colorful Binary Giant K Type

8.1 Great

6

Kochab

Kochab (Beta Ursae Minoris) is an orange giant in Ursa Minor that served as the northern pole star around 1500 BCE due t...

Orange Giant K Type Ursa Minor

8.0 Great

7

Miaplacidus

Miaplacidus is the second-brightest star in Carina, a blue-white giant about 113 light-years away and one of the brighte...

Bright Giant Southern A Type

7.8 Good

8

Rasalhague

Alpha Ophiuchi, the brightest star in Ophiuchus, a binary star with a white primary about 47 light-years away; its Arabi...

Bright Binary Giant Ophiuchus

7.8 Good

9

Avior

Epsilon Carinae, a bright binary system in the southern constellation Carina roughly 630 light-years away, included amon...

Binary Giant Southern Carinae

7.7 Good

10

Alhena

Gamma Geminorum, a white giant in Gemini about 109 light-years away and one of the brighter stars in this zodiacal const...

Bright Binary Giant Gemini

7.6 Good

11

Alphecca

Alphecca (Alpha Coronae Borealis) is the brightest star in the small arc-shaped constellation Corona Borealis, a spectro...

Bright Binary A Type Eclipsing

7.5 Good

12

Zubenelgenubi

Zubenelgenubi (Alpha Librae) is a wide naked-eye binary in Libra whose name is Arabic for 'southern claw,' reflecting it...

Binary Zodiac A Type Libra

7.4 Good

13

Alsephina

Delta Velorum, the brightest star in the southern False Cross asterism in Vela, a binary system whose IAU proper name Al...

Bright Binary Giant Vela

7.4 Good

14

Talitha

ι Ursae Majoris (Talitha) is a four-star system in Ursa Major, about 48 light-years from Earth, whose traditional Arabic...

Bright White Binary Ursa Major

7.4 Good

15

Sabik

Eta Ophiuchi, the second-brightest star in Ophiuchus, a binary system of two white A-type stars with an orbital period o...

Bright Binary Ophiuchus A Type

7.3 Good

16

Aspidiske

Iota Carinae, a yellow-white supergiant in Carina forming part of the False Cross asterism, whose IAU-approved name Aspi...

Bright Giant Southern A Type

7.3 Good

17

Ascella

Zeta Sagittarii, a binary star system in Sagittarius and one of the brighter members of the Teapot asterism, whose IAU-a...

Bright Binary Sagittarius A Type

7.2 Good

18

Algorab

δ Corvi (Algorab) is the third-brightest star in Corvus, a white A-type main-sequence star approximately 87 light-years...

Bright White Binary Corvus

7.2 Good

19

Muscida

ο Ursae Majoris (Muscida) is a yellow-orange giant star in Ursa Major marking the nose of the Great Bear in traditional...

Binary Giant Ursa Major G Type

7.0 Good

20

Giausar

Lambda Draconis, a red giant star in the constellation Draco, whose IAU-approved proper name Giausar derives from an Ara...

Red Giant Draco M Type

6.7 Fair