Daily Sunspot Evaluation
Observation Sheet Friday, 23 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)
- 3
- Number of spots (f)
- 34
- Relative number (R)
- 64
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 19981023.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DRO – 12 | 11 | 18W | 2 | 21W | 8 | 346 |
| 2 | EHI – 14 | -26 | 50W | 34 | 53W | 14 | 251 |
| 3 | BXI – 8 | -12 | 18W | 2 | 21W | 5 | 352 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.