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Table 2
Observing log.
| Date | Scans | Sunspot Nr | (1 + κ) | |
|
|
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| VIS | 2014 Mar. 07 | 220 | 134 | 0.99999957 |
| 2014 Mar. 10 | 170 | 113 | 0.99999973 | |
| 2014 Apr. 16 | 50 | 187 | 0.99999976 | |
| 2014 Apr. 17 | 280 | 199 | 0.99999963 | |
| 2014 Apr. 20 | 190 | 173 | 0.99999970 | |
| 2014 Jul. 11 | 100 | 144 | 1.00000733 | |
| 2014 Jul. 17 | 60 | 0 | 1.00000713 | |
| 2014 Jul. 22 | 50 | 39 | 1.00000702 | |
| 2014 Jul. 23 | 70 | 65 | 1.00000696 | |
| Total | 1190 | |||
|
|
||||
| NIR | 2014 Feb. 24 | 150 | 130 | 0.99999979 |
| 2014 Mar. 14 | 150 | 109 | 0.99999963 | |
| 2014 Mar. 20 | 190 | 139 | 0.99999968 | |
| 2014 Mar. 27 | 210 | 115 | 0.99999971 | |
| 2014 Jun. 06 | 300 | 119 | 0.99999973 | |
| 2014 Jun. 07 | 130 | 133 | 0.99999975 | |
| Total | 1130 | |||
Notes. Scans were taken in blocks of ten. Wavelength correction is given in units of (1 + κ) with κ ≈ − ν /c.
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