swap_horiz RCW 103 Alternatives

1

Crab Nebula

The Crab Nebula is a vast expanding cloud of gas and dust formed by a supernova explosion observed in 1054 CE. Located a...

Milky Way Pulsar Taurus Messier

9.7 Brilliant

2

Crab Nebula (M1)

The Crab Nebula, designated M1, represents the spectacular aftermath of a supernova observed in 1054 AD. This expanding...

Taurus Messier Supernova Remnant Pulsar Wind

9.5 Brilliant

3

Veil Nebula (NGC 6960/NGC 6992)

The Veil Nebula, formally NGC 6960 and NGC 6992, is a vast, filamentary structure within the constellation Cygnus. It re...

Large Ancient Cygnus Supernova Remnant

9.5 Brilliant

4

SN 1987A

SN 1987A is a historic supernova remnant located in the Large Magellanic Cloud. This event, observed on February 23, 198...

Historic Ring Young Lmc

9.5 Brilliant

5

Vela SNR

The Vela SNR is a expanding cloud of gas and plasma created by a supernova that occurred approximately 11,000 years ago...

Milky Way Vela Pulsar Nearby

9.2 Excellent

6

NGC 7027

NGC 7027 is a vibrant planetary nebula located within the constellation Cygnus. Formed from the ejected material of a dy...

Bright Planetary Young Cygnus

8.9 Great

7

SN 1987A Remnant

The SN 1987A remnant is a glowing nebula formed by the explosion of a star in the Large Magellanic Cloud. This supernova...

Lmc Supernova Remnant Dorado Modern 1987

8.9 Great

8

Southern Ring Nebula (NGC 3132)

The Southern Ring Nebula, formally NGC 3132, is a bright planetary nebula formed from a dying star. Its notable appearan...

Bright Planetary Southern Vela

8.9 Great

9

Veil Nebula (NGC 6960)

The Veil Nebula, formally NGC 6960, is a vast and complex supernova remnant located in Cygnus. It represents the spectac...

Optical Cygnus Supernova Remnant Filamentary

8.8 Great

10

Eight-Burst Nebula

The Eight-Burst Nebula, formally designated NGC 3132, is a vibrant planetary nebula located within the Vela constellatio...

Bright Planetary Southern Vela

8.8 Great

11

Cas A Nebula

Cas A is a vibrant supernova remnant located in the constellation Cassiopeia. It represents the expanding debris field f...

Radio Historic Young Cassiopeia

8.7 Great

12

Cygnus Loop

A large supernova remnant in Cygnus spanning about 3 degrees on the sky, formed roughly 10,000 years ago and encompassin...

Large Optical Cygnus Supernova Remnant

8.6 Great

13

Tycho's Supernova Remnant (SN 1572)

Tycho's Supernova Remnant is the expanding debris field of a Type Ia supernova in Cassiopeia, famously recorded by astro...

Historic Shell Cassiopeia X Ray

8.6 Great

14

SN 1006

SN 1006 is a supernova remnant located within the Lupus nebula of our Milky Way galaxy. It represents the expanding debr...

Historic Milky Way X Ray Lupus

8.6 Great

15

NGC 2736 (Pencil Nebula)

NGC 2736, known as the Pencil Nebula, is a luminous filament of gas in the constellation Vela, distinguished as a distin...

Linear Southern Vela Supernova Remnant

8.2 Great

16

Mz 1 (Little Gem)

Mz 1, or the Little Gem, is a compact bipolar planetary nebula in the constellation Norma, recognized by astronomers for...

Compact Planetary Elliptical Southern

7.1 Good

17

DEM L190 (LMC)

DEM L190 is a notable supernova remnant located in the Large Magellanic Cloud, recognized for its distinct filamentary s...

Southern X Ray Lmc Supernova Remnant

6.4 Fair

18

G54.1+0.3

A Crab Nebula-analog pulsar wind nebula powered by a young energetic pulsar, and one of a small class of confirmed compo...

Young X Ray Sagitta Supernova Remnant

5.5 Mediocre

19

RCW 104

RCW 104 is a southern Milky Way H-alpha emission region listed in the 1960 Rodgers, Campbell and Whiteoak catalog of sou...

Southern Emission Norma Star Forming

5.2 Mediocre

20

PKS 1209-51 (CTB 37B)

PKS 1209-51, also known as CTB 37B, is a galactic supernova remnant notable for its strong gamma-ray emissions and highl...

Southern X Ray Centaurus Supernova Remnant

4.8 Poor