Daily Sunspot Evaluation
Observation Sheet Wednesday, 4 May 1955
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)
- 4
- Number of spots (f)
- 28
- Relative number (R)
- 68
- Observer
- KA
- Reading
- all checks consistent
- File
- 19550504.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | C – 14 | 0.93 | 101 | |
| 2 | A – 4 | 0.7 | 199 | |
| 3 | J – 4 | 0.67 | 311 | |
| 4 | A – 6 | 0.38 | 31 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.