About: http://webisa.webdatacommons.org/127770931

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	At the darkest point, the effect is maximal but you may not want to go that far if it makes things look unnatural, such as the sky being much darker than the foreground.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com