(*TEST* flat inverted) --- filter B, bin 1, night 220401, compared to previous night 220331, sigma = 0.0025 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter I, bin 1, night 220401, compared to previous night 220331, sigma = 0.0042 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 220401, compared to previous night 220331, sigma = 0.0028 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SU, bin 1, night 220401, compared to previous night 220331, sigma = 0.0053 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 220401, compared to previous night 220331, sigma = 0.0025 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 1, night 220331
(flat inverted) --- filter GR, bin 1, night 220219
(flat inverted) --- filter I, bin 1, night 220331
(flat inverted) --- filter R, bin 1, night 220331
(flat inverted) --- filter SU, bin 1, night 220331
(flat inverted) --- filter V, bin 1, night 220331