Daily Sunspot Evaluation
Observation Sheet Thursday, 22 July 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)
- 81
- Relative number (R)
- 121
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20040722.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 11 | 78W | 79 | 81W | ? | 131 |
| 2 | FKC – 50 | 7 | 16E | 345 | 13E | ~18 | 141 |
| 3 | CAI – 17 | -11 | 46W | 47 | 49W | ~10 | 129 |
| 4 | DAO – 13 | -13 | 17E | 344 | 14E | ~8.5 | 142 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.