Daily Sunspot Evaluation
Observation Sheet Tuesday, 26 August 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)
- 5
- Number of spots (f)
- 50
- Relative number (R)
- 100
- Observer
- ET
- Reading
- all checks consistent
- File
- 19520826.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | B – 5 | 0.18 | 80 | |
| 2 | B – 18 | 0.14 | 115 | |
| 3 | C – 14 | 0.56 | 147 | |
| 4 | A – 1 | 0.87 | 261 | |
| 5 | C – 12 | 0.08 | 358 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.