Daily Sunspot Evaluation
Observation Sheet Wednesday, 7 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)
- 5
- Number of spots (f)
- 55
- Relative number (R)
- 105
- Observer
- HÇ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19981007.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAO – 31 | -18 | 10E | 185 | 07E | 12 | 205 280 |
| 2 | CAO – 3 | 19 | 65E | 130 | 62E | 08 | 205 284 |
| 3 | BXO – 6 | -24 | 48W | 238 ⚠ | 46W | 05 | 230 289 |
| 4 | BXI – 11 | -18 | 08E | 187 | 05E | 04 | 236 285 |
| 5 | ? – 4 | -22 | 75E | 120 | 72E | ? | 239 288 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.