NGC 189 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 189" in Polish language version.

refsWebsite

Global rank Polish rank

1web.archive.org

1^st place

1^st place

low place

2,148^th place

5,388^th place

2,254^th place

cseligman.com

Courtney Seligman: NGC 189. [w:] Celestial Atlas [on-line]. [dostęp 2017-06-21]. (ang.).

seds.org

messier.seds.org

NGC 189 w SEDS.org (ang.)

web.archive.org

Wilton Dias et al.: Catalog of Optically Visible Open Clusters and Candidates version 3.5. Departamento de Astronomia, 2016-01-28.