swap_horiz R136a1 Alternatives

1

Crab Pulsar

At the center of the Crab Nebula in Taurus, the Crab Pulsar is the rapidly rotating neutron star left by the core-collap...

Pulsar Taurus Neutron Star Supernova Remnant

9.54 Brilliant

2

Cygnus X-1

Cygnus X-1 denotes an X-ray binary system in the constellation Cygnus, rather than a single ordinary star. It pairs the...

O Type Blue Supergiant X Ray Binary Black Hole Companion

9.50 Brilliant

3

PSR B1257+12

In the constellation Virgo, PSR B1257+12 is a millisecond pulsar, a rapidly rotating neutron star whose radiation reache...

Pulsar Neutron Star Virgo Exoplanet Host

9.22 Excellent

4

Arcturus

Arcturus is a prominent K-type giant star located in the constellation Boötes. It’s notable for being the brightest star...

Orange Giant Northern Sky K Type

9.20 Excellent

5

Betelgeuse

The reddish star marking Orion's shoulder, Betelgeuse is a massive red supergiant at an advanced stage of stellar evolut...

Orion Variable M Type Red Supergiant

9.20 Excellent

6

Polaris

Near the north celestial pole in Ursa Minor, Polaris serves as the current North Star. Its position makes it appear almo...

Supergiant F Type Ursa Minor North Star

9.20 Excellent

7

Delta Cephei

Delta Cephei is a bright supergiant star within the Cepheus constellation. It’s notable as the original prototype for Ce...

Variable Supergiant Cepheus F Type

9.20 Excellent

8

Eta Carinae

Eta Carinae is an exceptionally large and volatile star located within the Carina Nebula. It’s notable for its dramatic...

Massive Carinae Pre Supernova Luminous Blue Variable

9.20 Excellent

9

V645 Centauri

V645 Centauri is an M-type red dwarf star located within the Alpha Centauri system, approximately 4.37 light-years from...

Centaurus Nearby M Type Red Dwarf

9.20 Excellent

10

WR 124

WR 124 is a hot, luminous Wolf-Rayet star in the constellation Sagitta, surrounded by the ring-shaped nebula M1-67. The...

Luminous Wolf Rayet Sagitta Nebula Host

8.61 Great

11

Pistol Star

The Pistol Star is a massive, highly luminous blue hypergiant star located near the center of the Milky Way galaxy withi...

Massive Luminous Sagittarius Galactic Center

8.10 Great

12

WR 140

WR 140 is a variable star system located in the constellation Cygnus, consisting of a massive Wolf-Rayet star and a hot...

Binary Wolf Rayet Cygnus Colliding Wind

8.10 Great

13

Gamma Velorum

Gamma Velorum is a prominent multiple-star system located in the southern constellation of Vela, approximately 1,100 lig...

Massive Vela Multiple Wolf Rayet

8.05 Great

14

S Doradus

S Doradus is a Luminous Blue Variable (LBV) star located in the Large Magellanic Cloud, a satellite galaxy of the Milky...

Luminous Variable Lmc Luminous Blue Variable

8.05 Great

15

WR 104

WR 104 is a Wolf-Rayet star located roughly 7,800 light-years away in the constellation Sagittarius. It forms a spectros...

Binary Wolf Rayet Sagittarius Pinwheel Nebula

7.95 Good

16

Wezen

Wezen, designated Delta Canis Majoris, is a yellow-white F-type supergiant in the constellation Canis Major. It lies rou...

Yellow Luminous Supergiant F Type

7.85 Good

17

WR 102

WR 102 is a rare oxygen-sequence Wolf-Rayet star, classified WO2, in the constellation Sagittarius. Its spectrum is domi...

Compact Massive Wolf Rayet Sagittarius

7.85 Good

18

Cygnus OB2-12

Cygnus OB2-12 is a blue hypergiant in the Cygnus OB2 association and one of the most intrinsically luminous stars in the...

Luminous Cygnus B Type Hypergiant

7.75 Good

19

Peony Star

The Peony Star, formally designated as WR 102ka, is a massive Wolf-Rayet star situated in close proximity to the center...

Massive Wolf Rayet Sagittarius Galactic Center

7.65 Good

20

Fang

π Scorpii (Fang) is a triple star system in Scorpius, roughly 590 light-years from Earth, whose name originates from the...

Blue Luminous Supergiant Scorpius

7.10 Good