(*TEST* flat inverted) --- filter B, bin 1, night 210509, compared to previous night 210508, sigma = 0.0073 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter I, bin 1, night 210509, compared to previous night 210508, sigma = 0.0058 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 210509, compared to previous night 210508, sigma = 0.0056 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 210509, compared to previous night 210508, sigma = 0.0062 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 1, night 210508
(flat inverted) --- filter C, bin 1, night 201004
(flat inverted) --- filter CV, bin 1, night 210220
(flat inverted) --- filter I, bin 1, night 210508
(flat inverted) --- filter R, bin 1, night 210508
(flat inverted) --- filter V, bin 1, night 210508