ان‌جی‌سی ۹ (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "ان‌جی‌سی ۹" in Persian language version.

refsWebsite

Global rank Persian rank

887^th place

842^nd place

6^th place

9^th place

archive.org

Steinicke, Wolfgang (2010). Observing and Cataloguing Nebulae and Star Clusters. Cambridge University Press. pp. 283. ISBN 9780521192675.

caltech.edu

nedipac.caltech.edu

"NED results for object NGC 0009". ناسا / Infrared Processing and Analysis Center. 2008. Retrieved 24 November 2008.
"Distance Results for NGC 0009". NASA/IPAC Extragalactic Database. Retrieved 2010-05-03.