(*TEST* flat inverted) --- filter B, bin 2, night 230422, compared to previous night 230421, sigma = 0.0054 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 2, night 230422, compared to previous night 230421, sigma = 0.0059 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SG, bin 2, night 230422, compared to previous night 230418, sigma = 0.0050 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SR, bin 2, night 230422, compared to previous night 230418, sigma = 0.0048 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SU, bin 2, night 230422, compared to previous night 230418, sigma = 0.0049 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 2, night 230422, compared to previous night 230421, sigma = 0.0057 --- (flat / previous inverted)