(*TEST* flat inverted) --- filter B, bin 2, night 221225, compared to previous night 221224, sigma = 0.0153 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 2, night 221225, compared to previous night 221224, sigma = 0.0157 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 2, night 221225, compared to previous night 221224, sigma = 0.0155 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 2, night 221224
(flat inverted) --- filter Halpha, bin 2, night 221225
(flat inverted) --- filter R, bin 2, night 221224
(flat inverted) --- filter SG, bin 2, night 220513
(flat inverted) --- filter SI, bin 2, night 220513
(flat inverted) --- filter SR, bin 2, night 220513
(flat inverted) --- filter SU, bin 2, night 211102
(flat inverted) --- filter SZ, bin 2, night 220513
(flat inverted) --- filter V, bin 2, night 221224