I am looking got find the real temperature at the hot spot. The problem is the emissivity of this is so different from the surface which is aluminium and has been st to 0.15 The flash we see in the photos is Al at around 500 - 700C
is there away to estimate this temperature exactly.
Also I am not sure how to set reflected temperature for this case,
Any suggestions is greatly appreciated,
Thanking you in advance