S 155

Cave Nebula - H II region in the constellation Cepheus. Article “S 155” in Russian Wikipedia has 21.4 points for quality (as of July 1, 2026). The article contains 6 references and 1 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Russian) language version.

Since the creation of article “S 155”, its content was written by 5 registered users of Russian Wikipedia and edited by 156 registered Wikipedia users in all languages.

The article is cited 126 times in Russian Wikipedia and cited 2324 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Russian): #40882 in November 2016
• Global: #29812 in March 2017

The highest popularity rank from 2008:

• Local (Russian): #463342 in September 2017
• Global: #761311 in May 2012

There are 23 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, 2026 (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	English (en) Sh 2-155		35.9273
2	Swedish (sv) Grottanebulosan		29.2913
3	Vietnamese (vi) Sh2-155		29.1853
4	German (de) Sh2-155		28.7929
5	Czech (cs) Sh2-155		27.7892
6	Hungarian (hu) Cave Nebula		27.4255
7	Russian (ru) S 155		21.4451
8	Japanese (ja) Sh2-155		14.8181
9	Romanian (ro) Sh2-155		14.4195
10	Italian (it) Sh2-155		10.8743

More...

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

The most popular language versions of the article "S 155" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Sh 2-155		110 188
2	Italian (it) Sh2-155		13 075
3	Japanese (ja) Sh2-155		10 752
4	Polish (pl) Mgławica Grota		8 423
5	French (fr) Nébuleuse de la Grotte		8 295
6	Chinese (zh) 洞穴星雲		6 611
7	Spanish (es) Sh2-155		6 004
8	Russian (ru) S 155		5 464
9	Hungarian (hu) Cave Nebula		5 123
10	Korean (ko) 동굴 성운		4 661

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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 "S 155" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Sh 2-155		497
2	French (fr) Nébuleuse de la Grotte		80
3	Spanish (es) Sh2-155		60
4	German (de) Sh2-155		50
5	Japanese (ja) Sh2-155		41
6	Italian (it) Sh2-155		37
7	Chinese (zh) 洞穴星雲		30
8	Russian (ru) S 155		24
9	Turkish (tr) Mağara Bulutsusu		16
10	Simple English (simple) Cave nebula		12

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

Language versions of the article "S 155" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Sh 2-155		46
2	Italian (it) Sh2-155		16
3	Hungarian (hu) Cave Nebula		13
4	German (de) Sh2-155		10
5	French (fr) Nébuleuse de la Grotte		8
6	Korean (ko) 동굴 성운		7
7	Polish (pl) Mgławica Grota		7
8	Dutch (nl) Grotnevel		5
9	Russian (ru) S 155		5
10	Czech (cs) Sh2-155		4

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

Language versions of the article "S 155" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	English (en) Sh 2-155		2
2	Czech (cs) Sh2-155		0
3	Danish (da) Huletågen		0
4	German (de) Sh2-155		0
5	Spanish (es) Sh2-155		0
6	French (fr) Nébuleuse de la Grotte		0
7	Galician (gl) Sh2-155		0
8	Croatian (hr) Sh2-155		0
9	Hungarian (hu) Cave Nebula		0
10	Italian (it) Sh2-155		0

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

Language versions of the article "S 155" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Italian (it) Sh2-155		411
2	English (en) Sh 2-155		360
3	French (fr) Nébuleuse de la Grotte		306
4	Chinese (zh) 洞穴星雲		203
5	Turkish (tr) Mağara Bulutsusu		140
6	Russian (ru) S 155		126
7	Czech (cs) Sh2-155		113
8	German (de) Sh2-155		113
9	Japanese (ja) Sh2-155		111
10	Hungarian (hu) Cave Nebula		109

More...

#	Language	Value
cs	Czech Sh2-155
da	Danish Huletågen
de	German Sh2-155
en	English Sh 2-155
es	Spanish Sh2-155
fr	French Nébuleuse de la Grotte
gl	Galician Sh2-155
hr	Croatian Sh2-155
hu	Hungarian Cave Nebula
it	Italian Sh2-155
ja	Japanese Sh2-155
ko	Korean 동굴 성운
nl	Dutch Grotnevel
pl	Polish Mgławica Grota
ro	Romanian Sh2-155
ru	Russian S 155
simple	Simple English Cave nebula
sk	Slovak Jaskyňa (hmlovina)
sv	Swedish Grottanebulosan
th	Thai เนบิวลาถ้ำ
tr	Turkish Mağara Bulutsusu
vi	Vietnamese Sh2-155
zh	Chinese 洞穴星雲

Best Rank

Russian: #463342 09.2017

Global: #761311 05.2012

Best Rank

Russian: #40882 11.2016

Global: #29812 03.2017

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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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information