Daily Sunspot Evaluation
Observation Sheet Thursday, 19 August 2004
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)
- 18
- Relative number (R)
- 58
- Observer
- TG
- Reading
- all checks consistent
- File
- 20040819.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKO – 11 | 7 | 03E | 347 | 00 | 8 | 151 |
| 2 | AX – 3 | 13 | 06E | 344 | 03E | ~2 | 152 |
| 3 | CRO – 3 | 14 | 22E | 328 | 19E | 4 | 153 |
| 4 | ? – 1 | 7 | 85E | 265 | 82E | ~5 | 154 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.