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NGC 89 (Czech Wikipedia)

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

Last modified:

Ref.Un. Ref.Website
Global rank Czech rank
11seds.org
942nd place
338th place
11caltech.edu
240th place
407th place
11cseligman.com
1,720th place
1,343rd place

caltech.edu (Global: 240th place; Czech: 407th place)

ned.ipac.caltech.edu

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

cseligman.com (Global: 1,720th place; Czech: 1,343rd place)

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

seds.org (Global: 942nd place; Czech: 338th place)

spider.seds.org

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