NGC 7840 (Slovak Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 7840" in Slovak language version.

refsWebsite

Global rank Slovak rank

low place

8,558^th place

cseligman.com

NGC 7800 (= PGC 73177) [online]. In Celestial Atlas. [s. l.] : Courtney Seligman, 2017-04-30 [cit. 2018-03-08]. Dostupné online.