Daily Sunspot Evaluation
Observation Sheet Thursday, 14 June 1951
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)
- 7
- Number of spots (f)
- 121
- Relative number (R)
- 191
- Observer
- ET
- Reading
- all checks consistent
- File
- 19510614.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 5 | 0.88 | 61 | |
| 2 | E – 43 | 0.81 | 35 | |
| 3 | A – 3 | 0.92 | 256 | |
| 4 | H – 6 | 0.6 | 270 | |
| 5 | C – 11 | 0.69 | 272 | |
| 6 | E – 25 | 0.54 | 286 | |
| 7 | D – 28 | 0.22 | 311 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.