(*TEST* flat inverted) --- filter SU, bin 2, night 240729, compared to previous night 240726, sigma = 0.0037 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 2, night 240725
(flat inverted) --- filter I, bin 2, night 240725
(flat inverted) --- filter R, bin 2, night 240725
(flat inverted) --- filter SG, bin 2, night 240725
(flat inverted) --- filter SI, bin 2, night 240725
(flat inverted) --- filter SR, bin 2, night 240725
(flat inverted) --- filter SU, bin 2, night 240729
(flat inverted) --- filter V, bin 2, night 240725