Daily Sunspot Evaluation
Observation Sheet Thursday, 5 April 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)
- 21
- Relative number (R)
- 81
- Observer
- AK
- Reading
- all checks consistent
- File
- 19560405.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | G – 14 | 0.8 | 14 | |
| 2 | A – 1 | 0.9 | 39 | |
| 3 | A – 1 | 0.97 | 39 | |
| 4 | A – 1 | 0.58 | 82 | |
| 5 | B – 3 | 0.62 | 142 | |
| 6 | A – 1 | 0.43 | 317 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.