(*TEST* flat inverted) --- filter B, bin 2, night 211104, compared to previous night 211103, sigma = 0.0068 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SI, bin 2, night 211104, compared to previous night 211027, sigma = 0.0206 --- (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 211104
(flat inverted) --- filter SR, bin 2, night 211029
(flat inverted) --- filter V, bin 2, night 211022