(*TEST* flat inverted) --- filter V, bin 2, night 220812, compared to previous night 220701, sigma = 0.0100 --- (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 220812
