Daily Sunspot Evaluation
Observation Sheet Wednesday, 20 June 1962
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)
- 21
- Relative number (R)
- 61
- Observer
- FY
- Reading
- all checks consistent
- File
- 19620620.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 11 | 13 | 35E | ||||
| 2 | A – 1 | -8 | 46E | ||||
| 3 | ? – 2 | -12 | 78W | ||||
| 4 | A – 7 | 11 | 48W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.