Category:Messier 21

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Messier 21 
Open cluster
M21a.jpg
Amateur image of Messier 21. Author: Ole Nielsen
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Instance of open cluster
Constellation
Spectral class
  • I
Discoverer or inventor
Time of discovery or invention
  • 5 June 1764
Distance from Earth
  • 3,900 l.y.
Authority control
Blue pencil.svg
Messier 21 (es); Messier 21 (hu); M21 (co); Cúmulu abiertu M21 (ast); Messier 21 (ca); Messier 21 (de); Аб'ект Месье M21 (be); مسیه ۲۱ (fa); M21 (bg); Messier 21 (ro); M21 (ja); Messier 21 (sk); M21 (he); Messier 21 (fi); M21 (eo); Messier 21 (cs); Messier 21 (bs); M21 (it); M21 (fr); M21 (be-tarask); 메시에 21 (ko); Messier 21 (oc); Messier 21 (vi); M21 (zh); Messier 21 (lb); Messier 21 (nl); Messier 21 (pt); مسیه ۲۱ (mzn); M 21 (ru); Messier 21 (af); Mesjė 21 (lt); NGC 6531 (az); മെസ്സിയർ 21 (ml); Messier 21 (pl); Месје 21 (sr); Messier 21 (id); Messier 21 (nan); Messier 21 (nb); Messier 21 (sh); Messier 21 (sv); Messier 21 (tr); Мессьє 21 (uk); Messier 21 (hr); Messier 21 (en); مسييه 21 (ar); Μεσιέ 21 (el); NGC 6531 (mk) cúmulo abierto (es); amas d'étoiles (fr); open sterrenhoop (nl); offener Sternhaufen (de); open cluster (en-gb); Open cluster (en); open cluster (en-ca); otevřená hvězdokupa (cs); ammasso aperto (it) NGC 6531 (it); NGC 6531 (de); M21, NGC 6531 (en); مسييه ٢١ (ar); M21, NGC 6531, Melotte 188, Collinder 363 (cs)

Pages in category "Messier 21"

This category contains only the following page.

Media in category "Messier 21"

The following 8 files are in this category, out of 8 total.