Daily Sunspot Evaluation
Observation Sheet Friday, 10 June 1983
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 3
- Number of spots (f)
- 76
- Relative number (R)
- 106
- Observer
- HG
- Reading
- all checks consistent
- File
- 19830610.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | FKC – 18 | -9 | 147 | |
| 2 | FKC – 50 | -9 | 151 | |
| 3 | CAO – 8 | -11 | 154 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.