The PC on the table remains on. It's in full control of all functions in the observatory (roofs,
peripheral cameras, mirror's heaters and fans, temprature, humidity, focus, slewing and astrometry,
and camera operation.

When the temprature is around (and usually under...) zero C - it's nice and warm to be sitting
inside the closed room just beside the scope, which is a tip of the door's handle away...