About: http://webisa.webdatacommons.org/389672888

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Many of the objects were called to his attention by his contemporaries, notably Pierre M??chain and the fact was always carefully noted.
http://www.w3.org/ns/prov#wasQuotedFrom	astroleague.org