Daily Sunspot Evaluation
Observation Sheet Sunday, 30 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)
- 3
- Number of spots (f)
- 12
- Relative number (R)
- 42
- Observer
- FY
- Reading
- all checks consistent
- File
- 19620930.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 8 | 9 | 60E | 4371 | |||
| 2 | A – 2 | -10 | 31E | ||||
| 3 | G – 2 | 9 | 50W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.