(*TEST* flat inverted) --- filter B, bin 1, night 230921, compared to previous night 230920, sigma = 0.0027 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter I, bin 1, night 230921, compared to previous night 230920, sigma = 0.0029 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 230921, compared to previous night 230920, sigma = 0.0027 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SU, bin 1, night 230921, compared to previous night 230919, sigma = 0.0024 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 230921, compared to previous night 230920, sigma = 0.0026 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 1, night 230919
(flat inverted) --- filter GR, bin 1, night 220219
(flat inverted) --- filter I, bin 1, night 230919
(flat inverted) --- filter R, bin 1, night 230919
(flat inverted) --- filter SU, bin 1, night 230919
(flat inverted) --- filter V, bin 1, night 230919