Daily Sunspot Evaluation
Observation Sheet Thursday, 29 May 1952
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)
- 4
- Number of spots (f)
- 18
- Relative number (R)
- 58
- Observer
- WG
- Reading
- all checks consistent
- File
- 19520529.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 1 | 0.8 | 88 | |
| 2 | G – 4 | 0.89 | 231 | |
| 3 | H – 5 | 0.31 | 249 | |
| 4 | B – 8 | 0.8 | 267 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.