Daily Sunspot Evaluation
Observation Sheet Thursday, 30 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)
- 15
- Number of spots (f)
- 131
- Relative number (R)
- 281
- Observer
- AB
- Reading
- all checks consistent
- File
- 19581030.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 10 | 39 | 24E | ||||
| 2 | J – 3 | 44 | 53E | ||||
| 3 | A – 1 | 16 | 40E | ||||
| 4 | B – 3 | 17 | 72E | ||||
| 5 | E – 22 | 9 | 54E | ||||
| 6 | J – 1 | -17 | 64E | ||||
| 7 | J – 3 | -14 | 52E | ||||
| 8 | H – 2 | -10 | 34E | ||||
| 9 | E – 35 | -13 | 2E | ||||
| 10 | A – 1 | -19 | 7W | ||||
| 11 | B – 7 | -16 | 15W | ||||
| 12 | A – 3 | -13 | 25W | ||||
| 13 | A – 2 | -20 | 56W | ||||
| 14 | B – 17 | -5 | 54W | ||||
| 15 | C – 21 | 8 | 67W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.