NGC 6227 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 6227" in Polish language version.

refsWebsite
Global rank Polish rank
5,388th place
2,254th place
low place
low place
low place
2,148th place

cseligman.com

  • Courtney Seligman: NGC 6227. Celestial Atlas. [dostęp 2014-09-04]. (ang.).

haroldcorwin.net

  • Harold G. Corwin Jr.: NGC 6227. [w:] Notes on the NGC objects, particularly those missing, misidentified, or otherwise unusual [on-line]. 2017-06-20. [dostęp 2017-09-03]. (ang.).

seds.org

spider.seds.org

  • NGC 6227 w serwisie SEDS.org (Revised NGC and IC Catalog) (ang.)