Glass Plate Collection Highlights

Section of plate A13151 showing the Orion NebulaSection of plate A13151 showing the Orion Nebula

The below galleries represent highlights from the 550,000 glass plates in the Harvard College Observatory's Astronomical Photographic Glass Plate Collection. 

Information about reproducing these images in the media can be found here.

Please credit all images to: "Harvard College Observatory, Photographic Glass Plate Collection."

Follow us on Twitter and Instagram for more glass plates, new discoveries, and historical facts about the Collection!