G-OPMN 727 Cougar (Prestwick 15-5-02).
The weather at Prestwick before 9am was not good but the rain had just stopped and the sun was starting to come out so this photo was reasonably bright.
Landings were from runway 13 first thing which is the best direction as taxiers pass right by the "mound" from here but unfortunately the runway was switched to 31 just after this 727 for the rest of the day.