Now, I have the next 2 times (all UTC, so +2 hours, and don't blame me if they decide not to come, but they are planned like this)
An124's:
31/8 arr 17.00
dep 1/9 om 08.00
02/9 arr 11.00
dep 13.00
04/9 times not clear yet
The best way to photograph them is from the 'Spottersweg', in the landing of runway 22.
Hope it helps