Category:DR 21

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  • English: Images related to the DR 21 molecular cloud formation.
<nowiki>DR 21; DR 21; DR 21; DR 21; DR 21; HII領域</nowiki>
DR 21 
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Instance of
Constellation
Spectral class
  • O4.5
Distance from Earth
  • 2.2 kpc
Right ascension 309.75665 degree
Declination 42.32719 degree
Authority file
Wikidata Q5098469
SIMBAD ID: DR 21
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Media in category "DR 21"

The following 5 files are in this category, out of 5 total.