(*TEST* flat inverted) --- filter Clear, bin 1, night 230803, compared to previous night 230802, sigma = 0.0055 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter HA, bin 1, night 230803, compared to previous night 230802, sigma = 0.0041 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 230803, compared to previous night 230802, sigma = 0.0033 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SG, bin 1, night 230803, compared to previous night 230802, sigma = 0.0036 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 230803, compared to previous night 230802, sigma = 0.0033 --- (flat / previous inverted)