NGC 20 (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 20" in Czech language version.

refsWebsite

Global rank Czech rank

887^th place

1,663^rd place

low place

114^th place

low place

low place

astro.cz

objekty.astro.cz

http://objekty.astro.cz/ngc20

caltech.edu

nedipac.caltech.edu

[cit. 2010-05-05]. Dostupné online.

cseligman.com

http://cseligman.com/text/atlas/ngc0.htm#20