The Paris Observatory, a research institution of PSL University, is the foremost astronomical observatory of France, and one of the largest astronomical centres in the world. Its historic building is on the Left Bank of the Seine in central Paris, but most of the staff work on a satellite campus in Meudon, a suburb southwest of Paris. More information...
In June 2020 the website obspm.fr was on the 4,314th place in the ranking of the most reliable and popular sources in multilingual Wikipedia from readers' point of view (PR-score). If we consider only frequency of appearance of this source in references of Wikipedia articles (F-score), this website was on the 6,227th place in June 2020. From Wikipedians' point of view, "obspm.fr" is the 4,880th most reliable source in different language versions of Wikipedia (AR-score).
The website is placed before confex.com and after blesk.cz in multilingual PR ranking of the most reliable sources in Wikipedia.
BestRef shows popularity and reliability scores for sources in references of Wikipedia articles in different languages. Data extraction based on complex method using Wikimedia dumps. To find the most popular and reliable sources we used information about over 200 million references of Wikipedia articles. More details...