sentences:  The concept of a public observatory is, in a way, a contradiction in terms, since by definition, an observatory should be as far away from the public as possible.Most of the modern research observatories are situated on mountain-tops or desert areas.However, the geography of Dundee is unique, in that it has Balgay Hill overlooking a river estuary, protected from the main lights of the city by trees which also help to provide a purer atmosphere, and at the same time very accessible to the public.