Daily Sunspot Evaluation
Observation Sheet Saturday, 9 May 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)
- 24
- Relative number (R)
- 54
- Observer
- YK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19980509.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CHO – 10 | 29 | 65W | 96 | 69W | 16 | 28 |
| 2 | HS – 1 | -17 | 09W | 12 ⚠ | 11W | 1 | 30 |
| 3 | EAO – 13 | -21 | 45E | 346 | 43E | 11.0 | 31 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.