(*TEST* flat inverted) --- filter B, bin 2, night 210221, compared to previous night 210202, sigma = 0.0165 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SI, bin 2, night 210221, compared to previous night 210217, sigma = 0.0184 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SR, bin 2, night 210221, compared to previous night 210219, sigma = 0.0095 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 2, night 210221
(flat inverted) --- filter SG, bin 2, night 210219
(flat inverted) --- filter SI, bin 2, night 210221
(flat inverted) --- filter SR, bin 2, night 210219
(flat inverted) --- filter V, bin 2, night 210218