I was in Chester Cathedral today around 4-5pm getting some images for my Chester Then and Now photo project and noticed the most imaging coloured light coming in though the back stained glass window and hitting the floor. I decided to have another go at trying to use the DSLRController app on my android phone to control my Canon camera to capture as much of the massive dynamic range that's in an image like this so I captured a 17x shot exposure (-8 EV to +8EV). When I got the images home and…