(*TEST* flat inverted) --- filter B, bin 1, night 220421, compared to previous night 220420, sigma = 0.0252 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter I, bin 1, night 220421, compared to previous night 220420, sigma = 0.0027 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 1, night 220421, compared to previous night 220420, sigma = 0.0047 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter SU, bin 1, night 220421, compared to previous night 220420, sigma = 0.0035 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 1, night 220421, compared to previous night 220420, sigma = 0.0039 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 1, night 220421
(flat inverted) --- filter GR, bin 1, night 220219
(flat inverted) --- filter I, bin 1, night 220421
(flat inverted) --- filter R, bin 1, night 220421
(flat inverted) --- filter SU, bin 1, night 220421
(flat inverted) --- filter V, bin 1, night 220421