(*TEST* flat inverted) --- filter B, bin 1, night 220804, compared to previous night 220802, sigma = 0.0485 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter I, bin 1, night 220804, compared to previous night 220802, sigma = 0.0044 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 220804, compared to previous night 220802, sigma = 0.0491 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SU, bin 1, night 220804, compared to previous night 220802, sigma = 0.0941 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 220804, compared to previous night 220802, sigma = 0.0549 --- (flat / previous inverted)