NGC 227 (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 227" in Italian language version.

refsWebsite

Global rank Italian rank

887^th place

990^th place

low place

low place

1,342^nd place

593^rd place

120^th place

267^th place

2^nd place

7^th place

astrovalleyfield.ca (Global: low place; Italian: low place)

(EN) NED results for object NGC 0227, su ned.ipac.caltech.edu, National Aeronautics and Space Administration / Infrared Processing and Analysis Center. URL consultato il 23 marzo 2024.
(EN) Results for object UGC 439, su ned.ipac.caltech.edu, NASA/IPAC Extragalactic Database. URL consultato il 23 marzo 2024.

(EN) Courtney Seligman, Celestial Atlas Table of Contents, NGC 227, su cseligman.com. URL consultato il 23 marzo 2024.

Abraham Mahtessian, Groups of galaxies. III. Some empirical characteristics (PDF), in Astrophysics, 41 #3, luglio 1998, pp. 308-321, DOI:10.1007/BF03036100. URL consultato il 23 marzo 2024.

Abraham Mahtessian, Groups of galaxies. III. Some empirical characteristics (PDF), in Astrophysics, 41 #3, luglio 1998, pp. 308-321, DOI:10.1007/BF03036100. URL consultato il 23 marzo 2024.

SIMBAD Astronomical Database, in Strasbourg astronomical Data Center. URL consultato il 23 marzo 2024.