Daily Sunspot Evaluation
Observation Sheet Friday, 11 July 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)
- 40
- Relative number (R)
- 80
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030711.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 11 | 5 | 55W | 352 | 58W | ~10 | 182 |
| 2 | DAI – 20 | -10 | 05E | 292 | 02E | 7.5 | 187 |
| 3 | HS – 1 | -10 | 18E | 279 | 15E | 0.5 | 190 |
| 4 | ? – 8 | -11 | 78E | 219 | 75E | 6 | 191 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.