About: http://webisa.webdatacommons.org/85023536

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	But typically, humidity and other factors often put the sky at 4.5 magnitude NELM on most nights.
http://www.w3.org/ns/prov#wasQuotedFrom	cloudynights.com