Still, after an hour's training, they went out and did a great job. Dave Campbell put together an instruction sheet for them which was very effective, judging from the results. You may have wondered why, in our pictures of campus, there are no happy throngs of students, or anyone else. The second is a corrected image after alteration in Adobe Photoshop, which took a good bit of work. When we took some preliminary pictures to test our equipment, we captured some of these ghosts.
Ghosts are the result of movement in the scene during shooting.
We chose the first option, and as to time, Spring Break was close at hand, and would do nicely.