(*TEST* flat inverted) --- filter SG, bin 2, night 210406, compared to previous night 210330, sigma = 0.0205 --- (flat / previous inverted)(*TEST* flat inverted) --- filter SR, bin 2, night 210406, compared to previous night 210330, sigma = 0.0147 --- (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 210330(flat inverted) --- filter V, bin 2, night 210322