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Table 1.
Details of observations performed during campaign.
| Limb | Date of | Slit position on | Total duration | No. of frames | Fried parameter (r0) |
|---|---|---|---|---|---|
| distances (μ) | observations | the solar disk | (min) | acquired | during measurements |
| 0.2 | 27 June | Near W limb | 8.9 | 80 | 5 cm, a small plage region is used to lock the AO. |
| 0.38 | 23 June | Near E limb, close to sunspot | 3.4 | 30 | 4 cm. |
| 0.4 | 16 June | Near N limb | 16.5 | 148 | 5–10 cm. |
| 0.44 | 23 June | Near E limb, close to sunspot | 6.7 | 60 | 4–7 cm. |
| 0.5 | 16 June | Near N limb | 16.5 | 148 | 4–7 cm, sometimes AO was unstable. |
| 0.6 | 27 June | Near W limb | 8.9 | 80 | 4–5 cm. sometimes AO was unstable. |
| 0.7 | 21 June | Near N limb | 16.5 | 148 | 3–5 cm, sometimes AO was unstable. |
| 0.8 | 16 June | Near N limb | 14 | 125 | 5–10 cm. |
| Disk left | 21 June | – | 16.5 | 148 | 5–7 cm. |
Notes. The spectrograph slit was placed parallel to the nearest limb of the Sun during measurements.
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