swap_horiz Castor 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

Vega

Vega is a main sequence A-type star located in the constellation Lyra approximately 25 light-years from Earth. It’s nota...

Lyra Debris Disk Main Sequence A Type

9.2 Excellent

3

Altair

Altair is a brilliant A-type main-sequence star located within the constellation Aquila. Situated just 17 light-years fr...

Aquila Nearby Main Sequence A Type

9.1 Excellent

4

Alioth

Alioth, designated Epsilon Ursae Majoris, is the brightest star in the constellation Ursa Major and the brightest of the...

Bright Ursa Major A Type Peculiar

8.4 Great

5

Shaula

Shaula, designated Lambda Scorpii, is the second-brightest star in the constellation Scorpius and marks the tip of the s...

Bright Multiple Scorpius B Type

8.3 Great

6

Miaplacidus

Miaplacidus, designated Beta Carinae, is an A-type subgiant or giant star located approximately 113 light-years away in...

Bright Giant Southern A Type

7.8 Good

7

Rasalhague

Rasalhague, designated Alpha Ophiuchi, is the brightest star in the constellation Ophiuchus with an apparent magnitude o...

Bright Binary Giant Ophiuchus

7.8 Good

8

Denebola

Denebola, designated Beta Leonis, is the second-brightest star in the constellation Leo. Located approximately 36 light-...

Bright Leo Debris Disk Main Sequence

7.7 Good

9

Alhena

Alhena, designated Gamma Geminorum, is a white giant star located approximately 109 light-years from Earth in the zodiac...

Bright Binary Giant Gemini

7.6 Good

10

Alphecca

Alphecca, formally Alpha Coronae Borealis, is the brightest star in Corona Borealis, the Northern Crown, and lies about...

Bright Binary A Type Eclipsing

7.5 Good

11

Zosma

Delta Leonis, designated by the traditional name Zosma, is an A-type subgiant star located approximately 58 light-years...

Bright White Leo Main Sequence

7.4 Good

12

Talitha

Iota Ursae Majoris, formally named Talitha, is a quadruple star system located approximately 48 light-years from Earth i...

Bright White Binary Ursa Major

7.4 Good

13

Sabik

Sabik, formally designated Eta Ophiuchi, is a binary star system and the second-brightest star in the constellation Ophi...

Bright Binary Ophiuchus A Type

7.3 Good

14

Aspidiske

Aspidiske, formally designated Iota Carinae, is a stellar body located in the southern constellation of Carina. It is a...

Bright Giant Southern A Type

7.3 Good

15

Ascella

Ascella, designated Zeta Sagittarii, is a binary star system located in the constellation Sagittarius. It is one of the...

Bright Binary Sagittarius A Type

7.2 Good

16

Algorab

Algorab, designated Delta Corvi, is a white main-sequence star located approximately 87 light-years from Earth in the co...

Bright White Binary Corvus

7.2 Good

17

Nashira

Nashira is the proper name of Gamma Capricorni, a star in the zodiac constellation Capricornus. It is a chemically pecul...

Bright Zodiac A Type Peculiar

7.1 Good

18

Alphekka Meridiana

Alphekka Meridiana is a traditional name for Alpha Coronae Australis, the brightest star in Corona Australis, the Southe...

Bright Southern Corona Australis Main Sequence

7.1 Good

19

Meridiana

Meridiana is the official proper name approved by the International Astronomical Union for Alpha Coronae Australis, the...

Bright Corona Australis Main Sequence A Type

7.1 Good

20

Zaniah

Zaniah is the traditional name of Eta Virginis, a multiple-star system in the zodiac constellation Virgo. Located roughl...

Triple Bright Zodiac Virgo

7.0 Good