¥ Special Note Concerning Bonus Data Obtained at the MMT on 2018
April 20 -- 23
The data summary tables and spectra for Campaign 109 include observations made using SPOL
with the 6.5m MMT on 2018 April 20-23. We thank G. Williams (MMTO Director), Y. Yang (KASI), and A. Zabludoff (Steward Obs.) for
the telescope time to acquire measurements of blazars during gaps in
their science programs.