Daily Sunspot Evaluation
Observation Sheet Tuesday, 19 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)
- 5
- Number of spots (f)
- 34
- Relative number (R)
- 84
- Observer
- MS
- Reading
- all checks consistent
- File
- 20030819.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAO – 13 | 7 | 52E | 89 | 49E | 13.5 | 234 |
| 2 | EAO – 15 | -12 | 59W | 200 | 62W | ~12 | 227 |
| 3 | HR – 1 | -20 | 36W | 177 | 39W | 0.5 | 229 |
| 4 | CRO – 4 | -22 | 18W | 159 | 21W | 3.5 | 233 |
| 5 | HR – 1 | -3 | 02W | 143 | 05W | 0.5 | 230 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.