Daily Sunspot Evaluation
Observation Sheet Wednesday, 30 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)
- 26
- Relative number (R)
- 66
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030730.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 6 | 15 | 56W | 102 | 59W | ~8 | 212 |
| 2 | AX – 1 | 6 | 23W | 69 | 26W | 1 | 215 |
| 3 | HS – 1 | 11 | 07E | 39 | 04E | 2 | 210 |
| 4 | EAO – 18 | -8 | 52E | 354 | 49E | 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.