bias inverted --- exp 0.0, bin 1, night 250512dark inverted --- exp 1.0, bin 1, night 250512dark inverted --- exp 3.0, bin 1, night 250512dark inverted --- exp 10.0, bin 1, night 250512dark inverted --- exp 30.0, bin 1, night 250512dark inverted --- exp 100.0, bin 1, night 250512dark inverted --- exp 300.0, bin 1, night 250512