Daily Sunspot Evaluation
Observation Sheet Sunday, 22 June 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)
- 12
- Relative number (R)
- 62
- Observer
- MH
- Reading
- all checks consistent
- File
- 19520622.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | B – 2 | 0.43 | 56 | |
| 2 | J – 2 | 0.82 | 64 | |
| 3 | J – 1 | 0.44 | 194 | |
| 4 | D – 5 | 0.85 | 242 | |
| 5 | A – 2 | 0.82 | 282 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.