NGC 2240 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 2240" in Polish language version.

refsWebsite

Global rank Polish rank

2,069^th place

8,256^th place

low place

2,148^th place

cseligman.com

Courtney Seligman: NGC 2240. [w:] Celestial Atlas [on-line]. [dostęp 2014-11-29]. (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 2014-11-29].