Daily Sunspot Evaluation
Observation Sheet Tuesday, 29 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)
- 20
- Relative number (R)
- 60
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030729.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 6 | 14 | 44W | 103 | 47W | 8.5 | 212 |
| 2 | HS – 1 | 11 | 19E | 40 | 16E | 2 | 210 |
| 3 | HS – 1 | -3 | 82W | 141 | 85W | 1.5 | 202 |
| 4 | EAO – 12 | -8 | 64E | 355 | 61E | 12 | 214 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.