(*TEST* flat inverted) --- filter I, bin 1, night 211012, compared to previous night 211011, sigma = 0.0048 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SU, bin 1, night 211012, compared to previous night 211011, sigma = 0.0073 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter Y, bin 1, night 211012, compared to previous night 211011, sigma = 0.0062 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter ZS, bin 1, night 211012, compared to previous night 211011, sigma = 0.0048 --- (flat / previous inverted)