M2-9

M2-9 - planetary nebula in Ophiuchus. Article “M2-9” in Japanese Wikipedia has 18 points for quality (as of July 1, 2025). The article contains 10 references and 2 sections.

This article has the best quality in Norwegian (Nynorsk) Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “M2-9”, its content was written by 2 registered users of Japanese Wikipedia and edited by 195 registered Wikipedia users in all languages.

The article is cited 3 times in Japanese Wikipedia and cited 183 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Japanese): #30220 in May 2018
• Global: #53542 in February 2004

The highest popularity rank from 2008:

• Local (Japanese): #293762 in September 2013
• Global: #217475 in September 2009

There are 20 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Norwegian (Nynorsk) (nn) Sommarfugltåka		44.9349
2	Turkish (tr) Gezegenimsi Bulutsu M2-9		29.8165
3	Slovenian (sl) Planetarna meglica M2-9		29.2642
4	Chinese (zh) 蝴蝶星雲		28.215
5	Catalan (ca) M2-9		25.8329
6	English (en) M2-9		25.3545
7	Arabic (ar) سديم النفاثتين		25.0244
8	Portuguese (pt) M2-9		24.7942
9	Norwegian (no) Sommerfugltåken		23.7864
10	Dutch (nl) M2-9		23.2766

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "M2-9" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) M2-9		179 414
2	Spanish (es) Nebulosa M2-9		46 966
3	German (de) Schmetterlingsnebel		38 350
4	Chinese (zh) 蝴蝶星雲		15 443
5	Polish (pl) Minkowski 2-9		10 114
6	Korean (ko) M2-9 성운		9 835
7	Russian (ru) M2-9		8 571
8	Japanese (ja) M2-9		7 806
9	Turkish (tr) Gezegenimsi Bulutsu M2-9		7 135
10	Italian (it) M2-9		6 449

More...

The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "M2-9" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) M2-9		788
2	German (de) Schmetterlingsnebel		135
3	Chinese (zh) 蝴蝶星雲		108
4	Russian (ru) M2-9		93
5	Spanish (es) Nebulosa M2-9		85
6	Japanese (ja) M2-9		82
7	Korean (ko) M2-9 성운		68
8	French (fr) M2-9		61
9	Italian (it) M2-9		37
10	Portuguese (pt) M2-9		33

More...

The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "M2-9" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) M2-9		59
2	German (de) Schmetterlingsnebel		32
3	Italian (it) M2-9		17
4	French (fr) M2-9		11
5	Spanish (es) Nebulosa M2-9		9
6	Korean (ko) M2-9 성운		8
7	Polish (pl) Minkowski 2-9		8
8	Slovenian (sl) Planetarna meglica M2-9		8
9	Norwegian (no) Sommerfugltåken		7
10	Turkish (tr) Gezegenimsi Bulutsu M2-9		7

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "M2-9" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	French (fr) M2-9		1
2	Arabic (ar) سديم النفاثتين		0
3	Catalan (ca) M2-9		0
4	German (de) Schmetterlingsnebel		0
5	English (en) M2-9		0
6	Esperanto (eo) Papilionebulo		0
7	Spanish (es) Nebulosa M2-9		0
8	Basque (eu) Tximeleta Hegoen Nebulosa		0
9	Italian (it) M2-9		0
10	Japanese (ja) M2-9		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "M2-9" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Catalan (ca) M2-9		44
2	Basque (eu) Tximeleta Hegoen Nebulosa		25
3	English (en) M2-9		19
4	Turkish (tr) Gezegenimsi Bulutsu M2-9		18
5	Spanish (es) Nebulosa M2-9		12
6	Korean (ko) M2-9 성운		9
7	Polish (pl) Minkowski 2-9		8
8	Arabic (ar) سديم النفاثتين		7
9	French (fr) M2-9		7
10	German (de) Schmetterlingsnebel		6

More...

#	Language	Value
ar	Arabic سديم النفاثتين
ca	Catalan M2-9
de	German Schmetterlingsnebel
en	English M2-9
eo	Esperanto Papilionebulo
es	Spanish Nebulosa M2-9
eu	Basque Tximeleta Hegoen Nebulosa
fr	French M2-9
it	Italian M2-9
ja	Japanese M2-9
ko	Korean M2-9 성운
nl	Dutch M2-9
nn	Norwegian (Nynorsk) Sommarfugltåka
no	Norwegian Sommerfugltåken
pl	Polish Minkowski 2-9
pt	Portuguese M2-9
ru	Russian M2-9
sl	Slovenian Planetarna meglica M2-9
tr	Turkish Gezegenimsi Bulutsu M2-9
zh	Chinese 蝴蝶星雲

Best Rank

Japanese: #293762 09.2013

Global: #217475 09.2009

Best Rank

Japanese: #30220 05.2018

Global: #53542 02.2004

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information