Daily Sunspot Evaluation
Observation Sheet Saturday, 23 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)
- 13
- Relative number (R)
- 43
- Observer
- YK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19980523.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 24 | 70W | 22 ⚠ | 69W | 436 | |
| 2 | CSO – 11 | 17 | 06W | 208 | 05W | 4.5 | 436 |
| 3 | HA – 1 | -18 | 63E | 135 ⚠ | 68E | 1 | 436 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.