(*TEST* flat inverted) --- filter B, bin 2, night 210208, compared to previous night 210107, sigma = 0.0096 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter R, bin 2, night 210208, compared to previous night 210107, sigma = 0.0133 --- (flat / previous inverted)
(*TEST* flat inverted) --- filter V, bin 2, night 210208, compared to previous night 210107, sigma = 0.0122 --- (flat / previous inverted)
(flat inverted) --- filter B, bin 2, night 210107
(flat inverted) --- filter Ic, bin 2, night 201011
(flat inverted) --- filter R, bin 2, night 210107
(flat inverted) --- filter V, bin 2, night 210107