Daily Sunspot Evaluation
Observation Sheet Saturday, 16 June 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)
- 10
- Number of spots (f)
- 70
- Relative number (R)
- 170
- Observer
- WG
- Reading
- all checks consistent
- File
- 19560616.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | C – 8 | 0.36 | 9 | |
| 2 | D – 18 | 0.53 | 12 | |
| 3 | DC – 7 | 0.43 | 16 | |
| 4 | E – 16 | 0.74 | 54 | |
| 5 | A – 1 | 0.76 | 63 | |
| 6 | D – 11 | 0.88 | 101 | |
| 7 | T – 2 | 0.68 | 121 | |
| 8 | B – 3 | 0.46 | 150 | |
| 9 | A – 1 | 0.29 | 315 | |
| 10 | A – 3 | 0.47 | 338 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.