Daily Sunspot Evaluation
Observation Sheet Saturday, 11 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)
- 11
- Number of spots (f)
- 45
- Relative number (R)
- 155
- Observer
- FY
- Reading
- all checks consistent
- File
- 19581011.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 21 | 25E | ||||
| 2 | A – 1 | 19 | 39E | ||||
| 3 | ? – 3 | 24 | 75E | ||||
| 4 | B – 4 | 6 | 21E | ||||
| 5 | D – 4 | -15 | 66E | ||||
| 6 | ? – 2 | -19 | 78E | ||||
| 7 | B – 4 | -11 | 37E | ||||
| 8 | ? – 3 | -28 | 75E | ||||
| 9 | A – 4 | -15 | 45W | ||||
| 10 | C – 11 | 16 | 26W | ||||
| 11 | H – 8 | 13 | 11W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.