Daily Sunspot Evaluation
Observation Sheet Thursday, 10 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)
- 14
- Number of spots (f)
- 91
- Relative number (R)
- 231
- Observer
- AK
- Reading
- all checks consistent
- File
- 19560510.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 2 | 0.76 | 41 | |
| 2 | J – 2 | 0.96 | 88 | |
| 3 | A – 9 | 0.86 | 98 | |
| 4 | J – 1 | 0.55 | 101 | |
| 5 | J – 2 | 0.42 | 108 | |
| 6 | A – 2 | 0.69 | 110 | |
| 7 | D – 16 | 0.26 | 117 | |
| 8 | A – 1 | 0.44 | 180 | |
| 9 | J – 1 | 0.86 | 229 | |
| 10 | A – 6 | 0.73 | 270 | |
| 11 | C – 10 | 0.81 | 273 | |
| 12 | B – 2 | 0.63 | 282 | |
| 13 | D – 34 | 0.52 | 294 | |
| 14 | H – 3 | 0.53 | 312 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.