(flat inverted) --- filter B, bin 2, night 241027
(flat inverted) --- filter GR, bin 2, night 210409
(flat inverted) --- filter GRH, bin 2, night 210409
(flat inverted) --- filter I, bin 2, night 241027
(flat inverted) --- filter SG, bin 2, night 241027
(flat inverted) --- filter SI, bin 2, night 241027
(flat inverted) --- filter SR, bin 2, night 241027
(flat inverted) --- filter V, bin 2, night 241027
(flat inverted) --- filter ZS, bin 2, night 241027