4673 Bortle (Esperanto Wikipedia)

Analysis of information sources in references of the Wikipedia article "4673 Bortle" in Esperanto language version.

refsWebsite

Global rank Esperanto rank

1skyandtelescope.com

8,316^th place

6,153^rd place

1web.archive.org

1^st place

1^st place

low place

low place

obsunige.ch

Courbes de rotation d'astéroïdes et de comètes, CdR (Observatorio de Ĝenevo) (france)

skyandtelescope.com

The Bortle Dark-Sky Scale (La Skalo de Ĉielmallumeco de Bortle) el "Sky & Telescope" Arkivigite je 2009-03-23 per la retarkivo Wayback Machine (angle)

web.archive.org

The Bortle Dark-Sky Scale (La Skalo de Ĉielmallumeco de Bortle) el "Sky & Telescope" Arkivigite je 2009-03-23 per la retarkivo Wayback Machine (angle)