(*TEST* flat inverted) --- filter B, bin 1, night 211019, compared to previous night 211015, sigma = 0.0203 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter I, bin 1, night 211019, compared to previous night 211015, sigma = 0.0113 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 211019, compared to previous night 211015, sigma = 0.0109 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 211019, compared to previous night 211015, sigma = 0.0105 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 1, night 211019
(flat inverted) --- filter C, bin 1, night 201004
(flat inverted) --- filter CV, bin 1, night 210220
(flat inverted) --- filter I, bin 1, night 211019
(flat inverted) --- filter R, bin 1, night 211019
(flat inverted) --- filter V, bin 1, night 211019