NGC 523 (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 523" in Vietnamese language version.

refsWebsite

Global rank Vietnamese rank

5,388^th place

4,069^th place

1dso-browser.com

low place

low place

887^th place

588^th place

low place

5,616^th place

1rochesterastronomy.org

low place

low place

caltech.edu

ned.ipac.caltech.edu

“Your NED Search Results”. ned.ipac.caltech.edu.

cseligman.com

“New General Catalog Objects: NGC 500 – 549”. cseligman.com.

dso-browser.com

Rojas, Sebastián García. “Galaxy NGC 523 · Deep Sky Objects Browser”. DSO Browser.^{[liên kết hỏng]}

rochesterastronomy.org

Bishop, David. “Supernova 2001en in NGC 523”. Rochester Astronomy.org. Truy cập ngày 21 tháng 10 năm 2018.

seds.org

spider.seds.org

Frommert, Hartmut. “NGC 523”. spider.seds.org.