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 (Global: low place; Czech: 114^th place)

objekty.astro.cz

http://objekty.astro.cz/ngc20

caltech.edu (Global: 887^th place; Czech: 1,663^rd place)

nedipac.caltech.edu

[cit. 2010-05-05]. Dostupné online.

cseligman.com (Global: low place; Czech: low place)

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