@bartlettastro.bsky.socialIAU WG Preservation & Digitization of Photographic Plates
Free, Virtual Workshop on Spectral Plates
October 20-23, 2026
archiving, digitizing, & utilizing photographic spectra
nadc.china-vo.org/events/PDPP2...
#astronomy #histsci #planetaryscience ☀️ #spectroscopy #labastro 🧪 🏛️ #photography