NGC 1993 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 1993" in English language version.

refsWebsite

Global rank English rank

887^th place

714^th place

1,342^nd place

1,819^th place

low place

low place

5,388^th place

7,494^th place

low place

low place

caltech.edu

ned.ipac.caltech.edu

"NED results for object NGC 1993". NED. Retrieved 24 November 2017.

cseligman.com

"NGC 1993". cseligman. Retrieved 24 November 2017.

seds.org

spider.seds.org

"NGC 1993". SEDS. Retrieved 24 November 2017.

u-strasbg.fr

simbad.u-strasbg.fr

"NGC 1993 -- Galaxy in Group of Galaxies". SIMBAD. Retrieved 24 November 2017.

univ-lyon1.fr

leda.univ-lyon1.fr

"NGC_1993". LEDA. Retrieved 24 November 2017.