Seems that this is the very first transit recorded on HAT-P-41b, in Aquila, recorded by amateurs. This observation is made with WBRO-K49 by me, Massimo Banfi, Giuseppe Marino and Riccardo Papini.
Exposition and setup are always the same: 300 sec with R filter. All calibrations done.
These are the lightcurve and the system reconstruction based on data:
Here is the link to ETD submitted record: http://var2.astro.cz/EN/tresca/transit-detail.php?id=1563686287&lang=en