The last time I shot buildings at night I used an Agfa isolette 6x6 camera, Ilford HP5+, aperture of f/16 and exposure times between 90 seconds and 2 minutes. I developed in Rodinal 1+25 using semi stand development, agitating ten seconds per minute for the first 8 minutes then standing for 8 minutes. Here are a some of the results:


http://img.photobucket.com/albums/v2...tshots/NS1.jpg

http://img.photobucket.com/albums/v2...tshots/NS3.jpg

http://img.photobucket.com/albums/v2...shots/NS15.jpg