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NGC 7720 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 7720" in Polish language version.

refsWebsite
Global rank Polish rank
2u-strasbg.fr
1,342nd place
566th place
1seds.org
5,388th place
2,254th place
1cseligman.com
low place
2,148th place

cseligman.com

  • Courtney Seligman: NGC 7720. Celestial Atlas. [dostęp 2017-05-09]. (ang.).

seds.org

spider.seds.org

  • NGC 7720 w serwisie SEDS.org (Revised NGC and IC Catalog) (ang.)

u-strasbg.fr

simbad.u-strasbg.fr

vizier.u-strasbg.fr

  • R.B. Tully et al.: PGC 71985. [w:] Cosmicflows-2 catalog [on-line]. VizieR, 2013. [dostęp 2017-05-09]. (ang.).