(*TEST* flat inverted) --- filter V, bin 2, night 220701, compared to previous night 220506, sigma = 0.0028 --- (flat / previous inverted)(flat inverted) --- filter B, bin 2, night 220626(flat inverted) --- filter SG, bin 2, night 220622(flat inverted) --- filter SI, bin 2, night 220626(flat inverted) --- filter SR, bin 2, night 220305(flat inverted) --- filter V, bin 2, night 220701
