#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
55297.33	33789.08	25494.74	0.772554205
58237.32	31073.35	23402.52	0.479124201
62183.39	26386.84	19812.22	0.438360582
64173.40	21148.66	15825.64	0.54114693
66157.33	17247.35	12897.09	0.710415371
68136.31	14312.55	10706.49	0.489377155
70121.46	11940.23	8942.95	0.125896783
72099.32	10051.89	7543.48	0.122311079
74082.46	8539.9	6427.25	0.0961769203
76045.44	7287.09	5505.01	0.0537587202
78018.33	6321.05	4792.831	0.170824179
79984.32	5482.65	4178.139	0.186469569
81951.46	4803.529	3682.892	0.0320873807
83914.32	4222.397	3257.473	0.0217738375
85878.32	3738.358	2903.468	0.0272690301
87818.31	3326.909	2602.595	0.0247487373
89782.47	2975.117	2345.518	0.0350085704
91755.47	2670.387	2122.801	0.0175185616
94031.48	2407.233	1930.466	0.0517532608
95994.32	2176.309	1761.605	0.0253475837
97967.32	1977.053	1615.715	0.02182888
100163.40	1799.601	1485.11	0.0632929696
102148.32	1641.937	1369.577	0.0549190313
104127.32	1507.523	1271.706	0.0147783626
106107.31	1370.35	1170.77	0.0147648231
108086.37	1258.707	1088.376	0.0175613211
110280.45	1158.082	1013.845	0.0157003185
112274.32	1067.573	946.45	0.0122474487
114465.44	980.789	881.42	0.0114891253
116460.45	903.776	823.246	0.0127436259
118649.32	835.043	770.854	0.0119331471
120843.39	770.239	720.917	0.00906090503
122897.32	710.024	673.94	0.0124096736
125183.43	654.34	629.9	0.0111355287
127374.34	601.341	587.308	0.0112071406
129836.33	554.84	549.341	0.0105309069
132232.38	509.842	511.893	0.0142863571
134577.32	469.1581	477.5472	0.00812132994
137621.46	430.8058	444.5342	0.00827985507
140504.33	395.7791	413.8267	0.00799130778
143398.32	363.2902	384.8344	0.00724596439
146922.39	333.7104	357.9734	0.00832970588
150080.45	306.0836	332.4552	0.00724127061
155742.40	280.5134	308.4459	0.00708583093
161311.48	257.3949	286.3852	0.00546223398
166880.43	235.8705	265.5316	0.00558605406
172628.33	215.7947	245.7806	0.00386315933
178581.38	197.397	227.4072	0.00367913033
184611.46	181.3434	211.1403	0.00431752244
190822.45	164.351	193.6745	0.00406509532
197038.32	150.0238	178.8449	0.00681535032
203153.40	136.9985	165.0628	0.00660272671
209184.32	125.1387	152.2409	0.00346828488
215300.43	113.6531	139.7653	0.00230672929
221319.31	103.4442	128.5226	0.00239248824
227162.39	94.4021	118.4265	0.00192483766
232915.45	85.974	108.8928	0.00172510869
238574.31	78.2466	100.0305	0.00195064092
244053.48	71.2617	91.9117	0.00195984693
249358.34	64.7807	84.2728	0.00134759044
253939.34	61.7543	80.6658	0.00207267943
257704.33	60.1739	78.7717	0.00178353581