The observatory on the roof of Crow Hall is normally open during the Fall and Spring semesters, weather permitting, Monday, Tuesday, Wednesday, and Thursday evenings. You can call the observatory at 314-935-6278 during viewing hours to see if the Observatory is open. The open hours are 8:00 - 10:00 pm.
The observatory is open to the campus community and non-WU guests are welcome. For non-WU guests prior arrangements need to be made for building access by contacting the Department of Physics office 314-935-6276.