The People Behind Astronomical Plates and Notebooks: Project PHaEDRA and the Harvard College Observatory Computers
Story Posted on May 16, 2021 Telescopes are the most recognizable tool in the astronomer’s toolkit, but equally important are the tools for recording astronomical data. In the 19th century, they included glass photographic plates, which captured snapshots of the night sky through the telescope, and notebooks for recording observations and measurements from the plates. The 24-inch Bruce Doublet telescope installed in Arequipa, Peru. (Courtesy of Harvard College Observatory) Left: Glass plate photograph taken in Arequipa in 1925. (Courtesy of Harvard). Right: Cover of Annie Jump...
Source: si.edu