Light Curve showing the forming of dew on the corrector plate of my SCT: LP-filtered measurements, signal only, not normalized, 32 binned frames.



Normalized Light Curve that removes the effects of the dew: LP-filtered measurements, signal only, normalized on Io, 32 binned frames.



The target at 5 different points of the event:



Observation:

Using WAT120N+ on low gain; 1/4 sec exposure, F/3.3 focal reducer



Prediction: