That's it! I believe that his via Fondazza landscapes are of the view from his studio window but couldn't find confirmation of it.
The Scully work is "Wall of Night Sky". He wrote a nice essay
(artcritical.com) on Morandi, the title of which he used for a book of his selected writings, Sean Scully: Resistance and Persistance
(amazon). From it:
I was talking to a friend once on the ‘phone about a painting I had just finished. The painting is called “Wall of Light Sky”. She was asking me to describe it. After a few minutes I said, “look, I can describe it to you, by describing something that can’t really exist.” I told her, since it was made of many greys that were mixed in with pink and red and blue, that it was maybe like a Morandi on a giant scale that was drawn on a broken grid.