Daily Sunspot Evaluation
Observation Sheet Wednesday, 18 November 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)
- 24
- Relative number (R)
- 64
- Observer
- NA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19981118.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXI – 4 | -14 | 50W | 40 ⚠ | 50W | 4 | 216 265 |
| 2 | AX – 1 | 23 | 10E | 349 | 10E | - | 224 243 |
| 3 | AX – 1 | -17 | 66E | 293 | 66E | - | 226 244 |
| 4 | DHO – 18 | -29 | 28W | 27 | 28W | 8 | 236 364 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.