(*TEST* flat inverted) --- filter B, bin 2, night 211029, compared to previous night 211021, sigma = 0.0040 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SR, bin 2, night 211029, compared to previous night 210927, sigma = 0.0056 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 2, night 211029
(flat inverted) --- filter SG, bin 2, night 211015
(flat inverted) --- filter SI, bin 2, night 211027
(flat inverted) --- filter SR, bin 2, night 211029
(flat inverted) --- filter V, bin 2, night 211022