Nebulas Like HB 21

CTB 1

89% match · Radio, Shell

7.04 Good

G1.9+0.3

77% match · Radio, SNR

7.28 Good

Monoceros Loop

76% match · Radio, SNR

7.66 Good

Puppis A Supernova Remnant

76% match · Radio, SNR

7.38 Good

W44

75% match · Radio, SNR

7.72 Good

Jellyfish Nebula

74% match · Radio, SNR

8.27 Great

W49B

74% match · Radio, SNR

8.12 Great

Vela Supernova Remnant

71% match · Radio, SNR

9.16 Excellent

Veil Nebula

70% match · Cygnus, SNR

9.52 Brilliant

CTB 80

Nebula

7.18 Good

Cassiopeia A

Nebula

9.20 Excellent

NGC 6888 Crescent

Nebula

9.02 Excellent

Cygnus X region

Nebula

8.72 Great

Sagittarius A East

Nebula

8.14 Great

Crescent Nebula (NGC 6888)

Nebula

7.59 Good

W51C

Nebula

7.34 Good

NGC 6960

Nebula

9.42 Excellent

North America Nebula

Nebula

9.26 Excellent

NGC 7027

Nebula

8.92 Great

NGC 7000

Nebula

8.92 Great

Sharpless 2-106

Nebula

8.86 Great

Egg Nebula

Nebula

8.84 Great

Pickering's Triangle (NGC 6979)

Nebula

8.83 Great

Pelican Nebula

Nebula

8.78 Great