(*TEST* flat inverted) --- filter V, bin 2, night 220906, compared to previous night 220904, sigma = 0.0027 --- (flat / previous inverted)(flat inverted) --- filter B, bin 2, night 220811(flat inverted) --- filter SG, bin 2, night 220703(flat inverted) --- filter SI, bin 2, night 220811(flat inverted) --- filter SR, bin 2, night 220305(flat inverted) --- filter V, bin 2, night 220904
