(*TEST* flat inverted) --- filter SI, bin 2, night 220927, compared to previous night 220917, sigma = 0.0048 --- (flat / previous inverted)(flat inverted) --- filter B, bin 2, night 220917(flat inverted) --- filter SG, bin 2, night 220910(flat inverted) --- filter SI, bin 2, night 220927(flat inverted) --- filter SR, bin 2, night 220908(flat inverted) --- filter V, bin 2, night 220908
