NGC 2220 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 2220" in Polish language version.

refsWebsite

Global rank Polish rank

69^th place

224^th place

2,069^th place

8,256^th place

low place

2,148^th place

arxiv.org

A. L. Tadross. A catalog of 120 NGC open star clusters. „Journal of The Korean Astronomical Society”. 44 (1), 2011. (ang.).

cseligman.com

Courtney Seligman: NGC 2220. Celestial Atlas. [dostęp 2014-09-15]. (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 2014-09-15].