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Intensity ratios as derived from the luminosity of the setting Sun: A comparison through photometry principle and Rayleigh theory

A.B.Bhattacharya, J.Pandit, B.Raha, D.Halder, R.Bhattacharya, G.Biswas, R.Roy, A.Nag

We photographed luminosity of the setting Sun at Brahmaputra River by three powerful digital SLR cameras on January 26, 2014 with a view to compare the intensity ratios of the luminosity of the setting Sun using the photometry principle and the Rayleigh scattering theory. The results exhibit a significant deviation in the calculated intensity ratios, suggesting further investigation in this direction.