(*TEST* flat inverted) --- filter B, bin 1, night 220921, compared to previous night 220920, sigma = 0.0040 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter I, bin 1, night 220921, compared to previous night 220920, sigma = 0.0117 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 220921, compared to previous night 220920, sigma = 0.0048 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SU, bin 1, night 220921, compared to previous night 220920, sigma = 0.0075 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 220921, compared to previous night 220920, sigma = 0.0067 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 1, night 220920
(flat inverted) --- filter GR, bin 1, night 220219
(flat inverted) --- filter I, bin 1, night 220920
(flat inverted) --- filter R, bin 1, night 220920
(flat inverted) --- filter SU, bin 1, night 220920
(flat inverted) --- filter V, bin 1, night 220920