Daily Sunspot Evaluation
Observation Sheet Wednesday, 16 May 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)
- 9
- Number of spots (f)
- 43
- Relative number (R)
- 133
- Observer
- WG
- Reading
- all checks consistent
- File
- 19560516.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 1 | 0.91 | 38 | |
| 2 | Z – 3 | 0.98 | 91 | |
| 3 | H – 1 | 0.3 | 167 | |
| 4 | A – 1 | 0.52 | 184 | |
| 5 | J – 1 | 0.76 | 225 | |
| 6 | J – 1 | 0.84 | 229 | |
| 7 | C – 6 | 0.91 | 234 | |
| 8 | A – 2 | 0.62 | 288 | |
| 9 | E – 27 | 0.59 | 314 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.