Daily Sunspot Evaluation
Observation Sheet Tuesday, 25 September 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)
- 34
- Relative number (R)
- 74
- Observer
- FY
- Reading
- all checks consistent
- File
- 19620925.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 18 | 9 | 19E | 4367 | |||
| 2 | A – 2 | 10 | 44E | ||||
| 3 | C – 4 | 18 | 47W | ||||
| 4 | D – 10 | 16 | 15W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.