Daily Sunspot Evaluation
Observation Sheet Wednesday, 30 March 1960
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)
- 9
- Number of spots (f)
- 107
- Relative number (R)
- 197
- Observer
- AB
- Reading
- all checks consistent
- File
- 19600330.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 56 | 11 | 16E | ||||
| 2 | B – 4 | 6 | 42E | ||||
| 3 | D – 18 | -9 | 64E | ||||
| 4 | B – 4 | -26 | 5E | ||||
| 5 | A – 2 | -13 | 1W | ||||
| 6 | A – 1 | -24 | 5W | ||||
| 7 | C – 20 | -13 | 48W | ||||
| 8 | A – 1 | 10 | 61W | ||||
| 9 | A – 1 | 15 | 38W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.