general/h-ii-regions

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Messier 43

Emission nebula in the constellation Orion

general/h-ii-regions

IC 2177

Region of nebulosity in Monoceros constellation

general/h-ii-regions

Barnard's Loop

Emission nebula in the constellation of Orion

general/h-ii-regions

Sh 2-54

Nebula in the constellation Serpens

general/h-ii-regions

NGC 281

Emission nebula in the constellation Cassiopeia

general/h-ii-regions

Sh 2-101

Nebula

general/h-ii-regions

Westerhout 5

Emission nebula in the constellation Cassiopeia

general/h-ii-regions

NGC 6357

Emission nebula in the constellation Scorpius

general/h-ii-regions

IRAS 12063−6259

Compact H II region in the constellation of Crux

general/h-ii-regions

Rosette Nebula

Emission nebula in the constellation Monoceros

general/h-ii-regions

NGC 2174

Emission nebula in the constellation Orion

general/h-ii-regions

Sh 2-106

Emission nebula in the constellation Cygnus

general/h-ii-regions

H II region

Large, low-density interstellar cloud of partially ionized gas

general/h-ii-regions