Jan 16, 2016

The author used both methods, eye measurements, as well as digitized light curves from scanned plates. The paper has a graph of the latter. It's actually easy to replicate, the data is online.

http://arxiv.org/abs/1601.03256

http://dasch.rc.fas.harvard.edu/lightcurve.php

(You can download this star under the name "J20061546+4427248"; the KIC identifier doesn't seem to work).