by Juan Corrin, August 2019.
Column 1: IR only.
Column 2: Visible light.
Column 3: IR+visible
A1: Stream of cold air flowing out of the hole.
1
2
3
A
B
| Infra-red photos aroiund the entrance to 4994 by Juan Corrin, August 2019. Column 1: IR only. Column 2: Visible light. Column 3: IR+visible A1: Stream of cold air flowing out of the hole. |
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