(*TEST* flat inverted) --- filter Halpha, bin 2, night 211102, compared to previous night 211016, sigma = 0.0242 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SG, bin 2, night 211102, compared to previous night 211020, sigma = 0.0122 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SI, bin 2, night 211102, compared to previous night 211016, sigma = 0.0258 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SR, bin 2, night 211102, compared to previous night 211027, sigma = 0.0084 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SU, bin 2, night 211102, compared to previous night 211016, sigma = 0.0266 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SZ, bin 2, night 211102, compared to previous night 211016, sigma = 0.0270 --- (flat / previous inverted)