Just 3 to get but stuck; any help appreciated: 12D. Attention spans variable with female kept in field for viewers' protection (7) E?E?E?? 23A. Private organisation hampered by restriction in Eelch city (6) ?A?G?? 27D. Astronomer setting up time reference to be sure (7) S?Y?E?T
Thank you Mitiy - while cooking Sunday lunch, the proper logic behind Bangor came to me .... thought I must confirm it ... glad you'd got there already to reassure call04.