(*TEST* flat inverted) --- filter B, bin 2, night 211114
(*TEST* flat inverted) --- filter R, bin 2, night 211114
(*TEST* flat inverted) --- filter SI, bin 2, night 211114, compared to previous night 211103, sigma = 0.0124 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SR, bin 2, night 211114, compared to previous night 211103, sigma = 0.0123 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SZ, bin 2, night 211114, compared to previous night 211103, sigma = 0.0116 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 2, night 211114