Daily Sunspot Evaluation
Observation Sheet Wednesday, 12 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)
- 5
- Number of spots (f)
- 27
- Relative number (R)
- 77
- Observer
- FY
- Reading
- all checks consistent
- File
- 19620912.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 4 | 23 | 32E | ||||
| 2 | D – 11 | 22 | 65E | ||||
| 3 | B – 4 | -9 | 7E | ||||
| 4 | J – 4 | -12 | 40N | ||||
| 5 | H – 4 | 7 | 60W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.