Daily Sunspot Evaluation
Observation Sheet Sunday, 11 October 1998
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)
- 4
- Number of spots (f)
- 39
- Relative number (R)
- 79
- Observer
- HE
- Reading
- all checks consistent
- File
- 19981011.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FAO – 14 | 20 | 40W | 181 | 41W | 16 | 2/50 |
| 2 | AX – 2 | 25 | 55E | 86 | 54E | 1 | 241 |
| 3 | DSC – 22 | -21 | 19E | 122 | 18E | 7 | 338 |
| 4 | HR – 1 | -34 | 40E | 101 | 39E | 0.5 | 200 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.