Daily Sunspot Evaluation
Observation Sheet Wednesday, 1 October 1958
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)
- 16
- Number of spots (f)
- 85
- Relative number (R)
- 245
- Observer
- MH
- Reading
- all checks consistent
- File
- 19581001.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 18 | 29 | 1E | ||||
| 2 | A – 1 | 21 | 68E | ||||
| 3 | A – 2 | 18 | 62E | ||||
| 4 | A – 2 | -8 | 59E | ||||
| 5 | A – 2 | -8 | 50E | ||||
| 6 | A – 1 | -10 | 56E | ||||
| 7 | C – 7 | -16 | 58E | ||||
| 8 | A – 2 | -22 | 26W | ||||
| 9 | H – 14 | -10 | 18W | ||||
| 10 | G – 4 | -18 | 39W | ||||
| 11 | A – 2 | -6 | 27W | ||||
| 12 | A – 1 | -10 | 36W | ||||
| 13 | B – 9 | 3 | 18W | ||||
| 14 | G – 2 | -6 | 60W | ||||
| 15 | C – 17 | 8 | 8W | ||||
| 16 | J – 1 | 18 | 33W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.