(*TEST* flat inverted) --- filter V, bin 2, night 210313, compared to previous night 210218, sigma = 0.0127 --- (flat / previous inverted)(flat inverted) --- filter B, bin 2, night 210221(flat inverted) --- filter SG, bin 2, night 210219(flat inverted) --- filter SI, bin 2, night 210221(flat inverted) --- filter SR, bin 2, night 210219(flat inverted) --- filter V, bin 2, night 210313
