NGC 1981 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 1981" in English language version.

refsWebsite

Global rank English rank

1caltech.edu

887^th place

714^th place

1web.archive.org

1^st place

1eyesonthesky.com

low place

1u-strasbg.fr

1,342^nd place

1,819^th place

1seds.org

5,388^th place

7,494^th place

1in-the-sky.org

low place

1skyandtelescope.com

8,316^th place

7,545^th place

caltech.edu (Global: 887^th place; English: 714^th place)

ned.ipac.caltech.edu

"NED results for object NGC 1981 *". NED. Retrieved 27 November 2017.

eyesonthesky.com (Global: low place; English: low place)

"NGC1981: The often-overlooked open cluster in Orion". Eye on the sky. December 22, 2013. Archived from the original on 6 December 2017. Retrieved 27 November 2017.

in-the-sky.org (Global: low place; English: low place)

"The open cluster NGC 1981". In the Sky. Retrieved 27 November 2017.

seds.org (Global: 5,388^th place; English: 7,494^th place)

spider.seds.org

"Object: NGC 1981 (*)". SEDS. Retrieved 27 November 2017.

skyandtelescope.com (Global: 8,316^th place; English: 7,545^th place)

"Overlooked Wonders In Orion's Shadow". Sky and Telescope. February 10, 2016. Retrieved 27 November 2017.

u-strasbg.fr (Global: 1,342^nd place; English: 1,819^th place)

simbad.u-strasbg.fr

"NGC 1981 -- Open (galactic) Cluster". SIMBAD. Retrieved 27 November 2017.

web.archive.org (Global: 1^st place; English: 1^st place)

"NGC1981: The often-overlooked open cluster in Orion". Eye on the sky. December 22, 2013. Archived from the original on 6 December 2017. Retrieved 27 November 2017.

NGC 1981 (English Wikipedia)

caltech.edu (Global: 887th place; English: 714th place)