NGC 89 (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 89" in Czech language version.

refsWebsite

Global rank Czech rank

5,388^th place

1,978^th place

887^th place

1,663^rd place

low place

low place

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

ned.ipac.caltech.edu

NASA/IPAC Extragalactic Database: Results for NGC 89 [online]. [cit. 2019-11-28]. Dostupné online. (anglicky)

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

SELIGMAN, Courtney. Celestial Atlas: NGC 89 [online]. [cit. 2019-11-28]. Dostupné online. (anglicky)

seds.org (Global: 5,388^th place; Czech: 1,978^th place)

spider.seds.org

FROMMERT, Hartmut. Revised NGC Data for NGC 89 [online]. SEDS.org [cit. 2019-11-28]. Dostupné online. (anglicky)