NGC 420 (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 420" in Italian language version.

Last modified: 19:33:43, 12 May 2026 (UTC)

Ref.Un. Ref.Website

Global rank Italian rank

11cseligman.com

1,720^th place

500^th place

11adsabs.harvard.edu

14^th place

63^rd place

adsabs.harvard.edu (Global: 14^th place; Italian: 63^rd place)

P. Fouque, E. Gourgoulhon e P. Chamaraux, Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members, in Astronomy and Astrophysics Supplement Series, vol. 93, 1º maggio 1992, pp. 211-233. URL consultato l'8 marzo 2017.

cseligman.com (Global: 1,720^th place; Italian: 500^th place)

(EN) New General Catalog Objects: NGC 400 - 449, su cseligman.com. URL consultato l'8 marzo 2017.