(*TEST* flat inverted) --- filter B, bin 1, night 230421, compared to previous night 230420, sigma = 0.0252 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter I, bin 1, night 230421, compared to previous night 230420, sigma = 0.0037 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 230421, compared to previous night 230420, sigma = 0.0039 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SU, bin 1, night 230421, compared to previous night 230420, sigma = 0.0040 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 230421, compared to previous night 230420, sigma = 0.0417 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 1, night 230419
(flat inverted) --- filter GR, bin 1, night 220219
(flat inverted) --- filter I, bin 1, night 230419
(flat inverted) --- filter R, bin 1, night 230419
(flat inverted) --- filter SU, bin 1, night 230419
(flat inverted) --- filter V, bin 1, night 230419