Daily Sunspot Evaluation
Observation Sheet Sunday, 9 October 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)
- 11
- Number of spots (f)
- 63
- Relative number (R)
- 173
- Observer
- MH
- Reading
- all checks consistent
- File
- 19601009.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 27 | 38E | ||||
| 2 | ? – 1 | 20 | 83E | ||||
| 3 | B – 10 | 11 | 12E | ||||
| 4 | A – 1 | 4 | 13E | ||||
| 5 | A – 1 | 0 | 20E | ||||
| 6 | B – 18 | -17 | 9E | ||||
| 7 | C – 12 | -15 | 13W | ||||
| 8 | A – 2 | 4 | 28W | ||||
| 9 | G – 5 | 6 | 54W | ||||
| 10 | D – 11 | 8 | 17W | ||||
| 11 | A – 1 | 21 | 18W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.