Daily Sunspot Evaluation
Observation Sheet Friday, 30 March 1956
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)
- 6
- Number of spots (f)
- 52
- Relative number (R)
- 112
- Observer
- FY
- Reading
- all checks consistent
- File
- 19560330.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | J – 3 | 0.5 | 99 | |
| 2 | H – 6 | 0.16 | 134 | |
| 3 | C – 14 | 0.49 | 200 | |
| 4 | A – 6 | 0.89 | 228 | |
| 5 | D – 12 | 0.94 | 282 | |
| 6 | C – 11 | 0.57 | 318 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.