(*TEST* flat inverted) --- filter B, bin 1, night 250228, compared to previous night 250227, sigma = 0.0049 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter I, bin 1, night 250228, compared to previous night 250227, sigma = 0.0036 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 250228, compared to previous night 250227, sigma = 0.0062 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SU, bin 1, night 250228, compared to previous night 250227, sigma = 0.0038 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 250228, compared to previous night 250227, sigma = 0.0177 --- (flat / previous inverted)