NGC 6648 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 6648" in Polish language version.

refsWebsite

Global rank Polish rank

1haroldcorwin.net

low place

low place

low place

2,148^th place

887^th place

766^th place

5,388^th place

2,254^th place

caltech.edu

ned.ipac.caltech.edu

NGC 6648 w NASA/IPAC Extragalactic Database (ang.)

cseligman.com

Courtney Seligman: NGC 6648. [w:] Celestial Atlas [on-line]. [dostęp 2014-05-23]. (ang.).

haroldcorwin.net

Harold G. Corwin Jr.: NGC 6648. [w:] Notes on the NGC objects, particularly those missing, misidentified, or otherwise unusual [on-line]. 2017-06-20. [dostęp 2017-10-26]. (ang.).

seds.org

spider.seds.org

NGC 6648 w serwisie SEDS.org (Revised NGC and IC Catalog) (ang.)