Following a meeting this evening I went to the museum campus in Chicago to shoot some long exposure skyline images.
I manually focused the Batis so that it showed infinity, F8 and ISO 25600.
Normal processing in Lightroom without any noise reduction.
two frame pano with about 50% overlap. Lightroom says its about 10700 pixels wide by normal A7RII height.
The thin strip of lights to the right are on Navy Pier and the sky does go black there since there are no street lights to reflect off the cloud cover. The Sodium Vapor lights have a distinct orange color reflected off the clouds.