Schaefer reports a century-long fade on Harvard plates

Mysteries Department. (2026). Schaefer reports a century-long fade on Harvard plates [Event EVT0D8E74RW2H0P]. https://mysteriesdept.com/r/EVT0D8E74RW2H0P

@misc{mysteriesdept_evt0d8e74rw2h0p,
  title     = {Schaefer reports a century-long fade on Harvard plates},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Event, catalog key EVT0D8E74RW2H0P},
  url       = {https://mysteriesdept.com/r/EVT0D8E74RW2H0P}
}