(*TEST* flat inverted) --- filter B, bin 1, night 230411, compared to previous night 230410, sigma = 0.0054 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter I, bin 1, night 230411, compared to previous night 230410, sigma = 0.0033 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 230411, compared to previous night 230410, sigma = 0.0409 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 230411, compared to previous night 230410, sigma = 0.0044 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 1, night 230410
(flat inverted) --- filter GR, bin 1, night 220219
(flat inverted) --- filter I, bin 1, night 230410
(flat inverted) --- filter R, bin 1, night 230410
(flat inverted) --- filter SU, bin 1, night 230410
(flat inverted) --- filter V, bin 1, night 230410