(*TEST* flat inverted) --- filter B, bin 1, night 230623, compared to previous night 230620, sigma = 0.0057 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter I, bin 1, night 230623, compared to previous night 230618, sigma = 0.0053 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 230623, compared to previous night 230618, sigma = 0.0129 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SU, bin 1, night 230623, compared to previous night 230617, sigma = 0.1006 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 230623, compared to previous night 230620, sigma = 0.0034 --- (flat / previous inverted)