(*TEST* flat inverted) --- filter SG, bin 2, night 210617, compared to previous night 210610, sigma = 0.0165 --- (flat / previous inverted)(flat inverted) --- filter B, bin 2, night 210610(flat inverted) --- filter I, bin 2, night 210610(flat inverted) --- filter R, bin 2, night 210610(flat inverted) --- filter SG, bin 2, night 210610(flat inverted) --- filter SI, bin 2, night 210610(flat inverted) --- filter SR, bin 2, night 210610(flat inverted) --- filter V, bin 2, night 210610
