NGC 137 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 137" in English language version.

refsWebsite

Global rank English rank

low place

low place

887^th place

714^th place

caltech.edu

ned.ipac.caltech.edu

"NED results for the object NGC 0137". NASA/IPAC Extragalactic Database. Retrieved 10 May 2016.

cseligman.com

Seligman, Courtney. "NGC Objects: NGC 100-149-NGC 137". Celestial Atlas. Retrieved 10 May 2016.