Photos from the FlirOne / Android device
combination by Juan Corrin with Peter Clewes.

1-3: Visible, IR and combined visible/IR photos of site 4600.
Although the cold spots are prominent, a trail
of cold air from the strongly draughting area is less so.
Photos B1,2,3 show that putting a person in the picture
reduces the range of colours available for the cooling
effect of the draught.

1

2

3

A

4600-jc-2017s-01.png
4600-jc-2017s-01-IR.png
4600-jc-2017s-01-vis-IR.jpg

B

4600-jc-2017s-02.png
4600-jc-2017s-02-IR.png
4600-jc-2017s-02-vis-IR.jpg