Daily Sunspot Evaluation
Observation Sheet Tuesday, 30 December 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)
- 11
- Number of spots (f)
- 85
- Relative number (R)
- 195
- Observer
- MH
- Reading
- all checks consistent
- File
- 19581230.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 5 | 8 | 1E | ||||
| 2 | ? – 6 | 22 | 58E | ||||
| 3 | J – 2 | -4 | 22E | ||||
| 4 | A – 1 | -22 | 22W | ||||
| 5 | F – 26 | -16 | 49W | ||||
| 6 | B – 5 | -12 | 25W | ||||
| 7 | ? – 1 | 13 | 85W | ||||
| 8 | A – 3 | 11 | 55W | ||||
| 9 | A – 5 | 19 | 47W | ||||
| 10 | E – 17 | 13 | 23W | ||||
| 11 | C – 14 | 18 | 6W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.