(*TEST* flat inverted) --- filter I, bin 1, night 230805, compared to previous night 230728, sigma = 0.0036 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 230805, compared to previous night 230728, sigma = 0.0766 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 230805, compared to previous night 230728, sigma = 0.0770 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 1, night 230728
(flat inverted) --- filter GR, bin 1, night 220219
(flat inverted) --- filter I, bin 1, night 230805
(flat inverted) --- filter R, bin 1, night 230805
(flat inverted) --- filter SU, bin 1, night 230728
(flat inverted) --- filter V, bin 1, night 230805