#zdat (zcalib by M.Zolliker 2018)
#time since midnight, R ref, R meas, sigma, Tset(nominal)
48300.60	18937.37	23016.55	16.5498112
50442.48	17792.05	21578.4	23.6747418
52633.62	13478.59	16161	2.45393561
54523.62	11530.48	13760.19	1.22257515
56408.44	9902.06	11756.61	0.651682438
58304.52	8593.06	10173.98	0.371967741
60188.41	7478.03	8830.39	0.29238673
62072.62	6552.45	7717.82	0.392377369
63957.43	5774.64	6787.86	0.438223687
65913.48	5160.06	6055.31	0.396598033
67810.57	4571.206	5362.99	1.01207213
69701.62	4068.595	4767.906	0.459460989
71592.64	3639.197	4261.091	0.0953776703
73483.63	3265.245	3819.75	0.125347517
75384.53	2933.231	3429.537	0.0714569801
77313.62	2638.652	3083.652	0.0651889561
79213.62	2387.13	2788.649	0.0725596306
81113.63	2167.306	2531.502	0.0632898096
83014.48	1972.408	2303.354	0.0737455083
84911.61	1799.217	2101.325	0.117117462
86813.61	1646.312	1923.006	0.0647796264
88722.62	1511.711	1767.064	0.0634854314
90628.43	1386.598	1621.912	0.0670492356
92543.61	1273.417	1490.024	0.0182318403
94474.49	1171.588	1372.463	0.0337653669
96421.58	1079.263	1266.057	0.0307912325
98384.51	996.094	1170.434	0.0249078301
100343.48	916.585	1079.316	0.02691468
102313.57	845.756	998.405	0.0245051015
104338.42	779.209	922.498	0.0218082553
106388.43	720.334	855.614	0.0163217646
108481.59	663.173	790.867	0.024333105
110606.40	611.009	731.569	0.023641066
112804.49	563.229	677.602	0.0244867311
115083.63	519.707	628.471	0.0237255137
117443.64	477.649	581.132	0.0284534708
119917.41	439.1386	537.49	0.0282842712
122490.58	403.8908	497.3511	0.00589822007
125193.59	371.1179	460.115	0.00835583628
128116.44	340.9855	425.7916	0.00729547805
131414.51	312.944	393.705	0.00681322244
134863.64	287.0416	363.9118	0.00693945243
139833.62	262.7002	335.796	0.00691953756
143583.48	241.2864	310.8516	0.00526535849
147484.50	221.0072	287.0778	0.00634318532
151464.51	202.3514	265.0174	0.00967904954
155518.42	185.4039	244.8179	0.005862508
159583.64	169.2863	225.4772	0.00688302259
163793.63	154.2684	207.3272	0.00974248428
167993.64	140.6279	190.5973	0.00795870592
172198.42	128.2247	175.2456	0.00832970588
176478.44	116.9898	161.1574	0.0088466943
180763.62	106.3145	147.59	0.00354682957
184964.48	96.8647	135.5047	0.00192379833
189164.62	88.0893	124.1654	0.00231170932
193368.45	80.4145	114.1217	0.00311464284
197493.62	73.2048	104.5913	0.00222283603
201694.64	65.3799	94.1081	0.0020709901
205070.58	62.3361	89.9835	0.00211778186
207843.51	60.7293	87.8011	0.00240187427