(*TEST* flat inverted) --- filter B, bin 2, night 211103, compared to previous night 211029, sigma = 0.0060 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SG, bin 2, night 211103, compared to previous night 211015, sigma = 0.0110 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 2, night 211103
(flat inverted) --- filter SG, bin 2, night 211103
(flat inverted) --- filter SI, bin 2, night 211027
(flat inverted) --- filter SR, bin 2, night 211029
(flat inverted) --- filter V, bin 2, night 211022