One of many cabinets containing Harvard's collection of images and negatives, many of which have been displayed in museums across the world.
The plates are organized according to the telescope from which it was taken, and the number on the plate. It's fairly easy to keep them in numerical order, Doane says.
"Where it gets complicated is where there are exceptions — this one has a corner missing, this one needs a jacket, etc. You develop these cubbies of problem plates, and that could be a burgeoning issue when we start to ramp up the speed of this."