Sunspot data for 8 September 2021 of period 2021Q3: (PREV DAY - NEXT DAY)
| No sketch made. | No image available. |
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 | No image available. |
| Today lecturing interfered, was too late back home for observations. The students did enjoy the sunspots, we saw them while discussing sun-azimuth observations with a total station. So they are still there... | |
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