Daily Sunspot Evaluation
Observation Sheet Friday, 14 August 1953
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)
- 42
- Relative number (R)
- 92
- Observer
- AK
- Reading
- all checks consistent
- File
- 19530814.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | J – 1 | 0.1 | 78 | |
| 2 | E – 36 | 0.58 | 95 | |
| 3 | A – 1 | 0.68 | 120 | |
| 4 | C – 3 | 0.59 | 124 | |
| 5 | ? – 1 | 0.99 | 301 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



