About: http://webisa.webdatacommons.org/430939706

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	I use it for DSO sketching all the time.Here is an example of what I have observed in my 15 at a dark sky location.Mag 6.5+
http://www.w3.org/ns/prov#wasQuotedFrom	cloudynights.com