Location has an observatory that is accessible to the public by prior arrangement or during public events.
List of Observatory locations
The Battlesteads Hotel, Wark, Northumberland, NE48 3LS
Great Ellingham, Near Attleborough, NR17
Dalby Forest, Thornton-le-Dale, North Yorkshire, YO18 7LT
Durlston Country Park, Swanage, Dorset, BH19 2JL
Black Fell, Near Kielder Village, Northumberland, NE48
Craigengillan Lodge, Dalmellington, East Ayrshire, KA6 7PZ