Category:Messier 21

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<nowiki>Messier 21; M21 (天體); Messier 21; M21; Messier 21; Cúmulu abiertu M21; Messier 21; Messier 21; NGC 6531; Аб'ект Месье M21; مسیه ۲۱; M21; Messier 21; M21; Messier 21; M21; NGC 6531; 메시에 21; Messier 21; NGC 6531; M21; Messier 21; Messier 21; M21; NGC 6531; M21; Messier 21; Messier 21; Messier 21; Messier 21; مسیه ۲۱; M 21; NGC 6531; മെസ്സിയർ 21; Messier 21; Messier 21; Messier 21; Messier 21; Mesjė 21; Месје 21; Messier 21; Messier 21; Мессьє 21; Messier 21; Messier 21; Messier 21; Messier 21; M21; M21; Messier 21; Messier 21; Messier 21; مسييه 21; Μεσιέ 21; Messier 21; ammasso aperto; amas ouvert de la constellation du Sagittaire; расьсеяная зорная скупнасьць; offener Sternhaufen; open cluster; いて座の散開星団; Stärekoup; جرم فلكي; open sterrenhoop; cúmulo abierto; gömbhalmaz a Nyilas csillagképben; otevřená hvězdokupa; gugus terbuka di rasi bintang Sagitarius; Open cluster; open cluster; ανοικτό σμήνος στον αστερισμό Τοξότη; braisle oscailte i réaltbhuíon an tSaighdeora; NGC 6531; NGC 6531; Mel 188; Messier 21; NGC 6531; M21; NGC 6531; NGC 6531; M21; NGC 6531; مسييه ٢١; M21; NGC 6531; Melotte 188; Collinder 363; NGC 6531; M21</nowiki>
Messier 21 
Open cluster
Amateur image of Messier 21. Author: Ole Nielsen
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Instance of
Constellation
Spectral class
  • I
Discoverer or inventor
Time of discovery or invention
  • 5 June 1764
Distance from Earth
  • 1,205 pc
Right ascension 271.0542 degree
Declination −22.49 degree
Authority file
Wikidata Q11383
SIMBAD ID: M 21
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Pages in category "Messier 21"

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Media in category "Messier 21"

The following 16 files are in this category, out of 16 total.