66515 had just passed the site of Wolfhall Junction with 6A19, the 10:38 Whatley Quarry to West Drayton stone train, when it was photographed on 8 February 2023.
PHOTO DATA FOR IMAGE 23-D-0165
camera : Nikon D610
lens : 70-200mm f/2.8
focal length : 95.0 mm
shutter : 1/1000 sec
aperture : f/8.0
ISO : 180 ISO
original : Digital: 24MP NEF
SUBJECT DATA
Loco / Unit : 66.515
Train : 6A19, 10:38 Whatley Quarry - West Drayton Frays stone