(*TEST* flat inverted) --- filter V, bin 2, night 210322, compared to previous night 210316, sigma = 0.0081 --- (flat / previous inverted)(flat inverted) --- filter B, bin 2, night 210317(flat inverted) --- filter SG, bin 2, night 210320(flat inverted) --- filter SI, bin 2, night 210317(flat inverted) --- filter SR, bin 2, night 210320(flat inverted) --- filter V, bin 2, night 210322
