NGC 1901 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 1901" in Polish language version.

refsWebsite

Global rank Polish rank

low place

2,148^th place

2,069^th place

8,256^th place

cseligman.com

Courtney Seligman: NGC 1901. Celestial Atlas. [dostęp 2014-08-25]. (ang.).

usp.br

astro.iag.usp.br

Wilton Dias et al.: Catalog of Optically Visible Open Clusters and Candidates. Departamento de Astronomia, 2014-05-24. [dostęp 2014-11-26].