(*TEST* flat inverted) --- filter V, bin 2, night 211128, compared to previous night 211118, sigma = 0.1530 --- (flat / previous inverted)(flat inverted) --- filter B, bin 2, night 211103(flat inverted) --- filter SG, bin 2, night 211108(flat inverted) --- filter SI, bin 2, night 211104(flat inverted) --- filter SR, bin 2, night 211108(flat inverted) --- filter V, bin 2, night 211128
