(*TEST* flat inverted) --- filter SG, bin 2, night 210407, compared to previous night 210406, sigma = 0.0204 --- (flat / previous inverted)(*TEST* flat inverted) --- filter SR, bin 2, night 210407, compared to previous night 210330, sigma = 0.0208 --- (flat / previous inverted)(flat inverted) --- filter B, bin 2, night 210317(flat inverted) --- filter SG, bin 2, night 210406(flat inverted) --- filter SI, bin 2, night 210317(flat inverted) --- filter SR, bin 2, night 210407(flat inverted) --- filter V, bin 2, night 210322