Messier 21 (Q11383)
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Open cluster
- M21
- NGC 6531
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Messier 21 |
Open cluster |
|
Statements
M21a.jpg
500 × 373; 27 KB
500 × 373; 27 KB
Messier 21 na amatérském snímku. Autor: Ole Nielsen (Czech)
Amateur image of Messier 21. Author: Ole Nielsen (English)
0 references
Collinder 363
Melotte 188
[KPS2012] MWSC 2796
5 June 1764Gregorian
0 references
3,900 light-year
0.15±3.59 milliarcsecond per year
−2.2±0.09 milliarcsecond per year
0.55±2.07 milliarcsecond per year
−0.24±0.1 milliarcsecond per year
1 reference
Revised NGC Data for NGC 6531 (English)
14 August 2017
Hartmut Frommert
Messier 21
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Messier 21
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Identifiers
Sitelinks
Wikipedia(54 entries)
- afwiki Messier 21
- arwiki مسييه 21
- astwiki Cúmulu abiertu M21
- azwiki NGC 6531
- be_x_oldwiki M21
- bewiki M21 (аб’ект Месье)
- bgwiki M21
- bswiki Messier 21
- cawiki Messier 21
- cewiki NGC 6531
- cowiki M21
- cswiki Messier 21
- dewiki Messier 21
- diqwiki NGC 6531
- elwiki Μεσιέ 21
- enwiki Messier 21
- eowiki M21
- eswiki Cúmulo abierto M21
- etwiki Messier 21
- euwiki Messier 21
- fawiki مسیه ۲۱
- fiwiki Messier 21
- frwiki M21 (amas ouvert)
- hewiki M21
- hrwiki Messier 21
- huwiki Messier 21
- idwiki Messier 21
- itwiki M21 (astronomia)
- jawiki M21 (天体)
- kowiki 메시에 21
- lbwiki Messier 21
- ltwiki Mesjė 21
- mkwiki Месје 21
- mlwiki മെസ്സിയർ 21
- mswiki Messier 21
- mznwiki مسیه ۲۱
- nlwiki Messier 21
- nowiki Messier 21
- plwiki Messier 21
- ptwiki Messier 21
- rowiki Messier 21
- ruwiki M 21 (звёздное скопление)
- shwiki Messier 21
- skwiki Messier 21
- srwiki Месје 21
- svwiki Messier 21
- trwiki Messier 21
- ttwiki NGC 6531
- ukwiki Мессьє 21
- uzwiki Messier 21
- viwiki Messier 21
- zh_min_nanwiki Messier 21
- zh_yuewiki M21 (天體)
- zhwiki M21 (疏散星團)
Wikibooks(0 entries)
Wikinews(0 entries)
Wikiquote(0 entries)
Wikisource(0 entries)
Wikiversity(0 entries)
Wikivoyage(0 entries)
Wiktionary(0 entries)
Multilingual sites(1 entry)
- commonswiki Messier 21