(*TEST* flat inverted) --- filter B, bin 1, night 220121, compared to previous night 220113, sigma = 0.0059 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter I, bin 1, night 220121, compared to previous night 220113, sigma = 0.0064 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 220121, compared to previous night 220113, sigma = 0.0082 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 220121, compared to previous night 220113, sigma = 0.0098 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 1, night 220121
(flat inverted) --- filter C, bin 1, night 201004
(flat inverted) --- filter CV, bin 1, night 210220
(flat inverted) --- filter I, bin 1, night 220121
(flat inverted) --- filter R, bin 1, night 220121
(flat inverted) --- filter V, bin 1, night 220121