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taosA
The target star is located near the upper boundary and just beneath the third pair of '45'. There are roughly 10 'flashes' if you watch carefully.
taosB
The duration is 20.5+/-0.2 sec (from UT 68393.944sec to 68414.449sec). Magnitude drop is ~0.4mag
lightcurves.pdf
lightcurves.pdf(zoom in)