Daily Sunspot Evaluation
Observation Sheet Wednesday, 21 May 2003
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)
- 28
- Relative number (R)
- 68
- Observer
- TG
- Reading
- all checks consistent
- File
- 20030521.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 5 | -16 | 52W | 304 | 55W | 9 | 423 |
| 2 | DAO – 8 | -26 | 43W | 295 | 46W | ~8 | 433 |
| 3 | DSO – 10 | -11 | 07E | 245 | 04E | ~9 | 429 |
| 4 | DAO – 5 | -8 | 62E | 190 | 59E | ~3 | 436 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.