Alt Text for Glass Plates

(millions of them)

Daina Bouquin

https://chandra.harvard.edu/photo/2022/casa_streams/

DASCH FA293

DASCH FA1

DASCH MC29221

yellow filter with faint box

DASCH B2312

DASCH AC63

DASCH AC652

If we can't look at every plate,
how do we describe them?