I have combined the measurements of two recent Algol eclipses. The phase diagram has been constructed using the latest Krakow elements which state a period of 2.86736 days.
Each point on the diagram represents the DSLR photometry average of ten images. The settings for Canon 450D camera with an 100 mm lens were exposure 5 seconds, ISO 200, f 5. The diagram suggests that mid eclipse is occurring at 0.9975 of the period which is about 10 minutes early.
Des Loughney. January 8th 2012