(*TEST* flat inverted) --- filter B, bin 2, night 220509, compared to previous night 220505, sigma = 0.0090 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 2, night 220509, compared to previous night 220505, sigma = 0.0058 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SG, bin 2, night 220509, compared to previous night 220505, sigma = 0.0073 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SI, bin 2, night 220509, compared to previous night 220505, sigma = 0.0065 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SR, bin 2, night 220509, compared to previous night 220505, sigma = 0.0064 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SZ, bin 2, night 220509, compared to previous night 220505, sigma = 0.0055 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 2, night 220509, compared to previous night 220505, sigma = 0.0080 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 2, night 220509
(flat inverted) --- filter Halpha, bin 2, night 211015
(flat inverted) --- filter R, bin 2, night 220509
(flat inverted) --- filter SG, bin 2, night 220509
(flat inverted) --- filter SI, bin 2, night 220509
(flat inverted) --- filter SR, bin 2, night 220509
(flat inverted) --- filter SU, bin 2, night 211102
(flat inverted) --- filter SZ, bin 2, night 220509
(flat inverted) --- filter V, bin 2, night 220509