Daily Sunspot Evaluation
Observation Sheet Monday, 18 August 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)
- 34
- Relative number (R)
- 74
- Observer
- TG
- Reading
- all checks consistent
- File
- 20030818.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKO – 7 | 7 | 66E | 89 | 63E | ~14 | 234 |
| 2 | EAS – 25 | -11 | 43W | 198 | 46W | ~14 | 227 |
| 3 | HR – 1 | -20 | 21W | 176 | 24W | ~1 | 229 |
| 4 | HR – 1 | -3 | 13E | 142 | 10E | ~1 | 230 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.