Daily Sunspot Evaluation
Observation Sheet Thursday, 31 May 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)
- 3
- Number of spots (f)
- 23
- Relative number (R)
- 53
- Observer
- FY
- Reading
- all checks consistent
- File
- 19620531.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | -17 | 40E | ||||
| 2 | G – 9 | -7 | 46W | ||||
| 3 | E – 11 | 14 | 68W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.