Reading, Oxford, Sussex, Cotswolds Wales + Birmingham Southeast Bristol, Cornwall, Scilly
Trains
Interactive map of all train lines in the UK
Stargazing
https://gostargazing.co.uk/dark-sky-calendar/
If we go, then should be between 17 and 22 May, otherwise it’s too bright with the moon.
Good light pollution map of the world: www.lightpollutionmap.info