(flat inverted) --- filter B, bin 1, night 210520(flat inverted) --- filter C, bin 1, night 201004(flat inverted) --- filter CV, bin 1, night 210220(flat inverted) --- filter I, bin 1, night 210520(flat inverted) --- filter R, bin 1, night 210520(flat inverted) --- filter V, bin 1, night 210520