NGC 420 (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 420" in Czech language version.

refsWebsite

Global rank Czech rank

1,342^nd place

1,190^th place

887^th place

1,663^rd place

5,388^th place

1,978^th place

low place

caltech.edu

NASA/IPAC Extragalactic Database: Results for NGC 420 [online]. [cit. 2019-11-28]. Dostupné online. (anglicky)

SELIGMAN, Courtney. Celestial Atlas: NGC 420 [online]. [cit. 2019-11-28]. Dostupné online. (anglicky)

FROMMERT, Hartmut. Revised NGC Data for NGC 420 [online]. SEDS.org [cit. 2019-11-28]. Dostupné online. (anglicky)