Daily Sunspot Evaluation
Observation Sheet Sunday, 2 February 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)
- 18
- Relative number (R)
- 58
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030202.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | -8 | 77W | 313 | 79W | 1.5 | 28 |
| 2 | OSE – 2 | -5 | 63W | 299 | 65W | 5 | 29 |
| 3 | HS – 5 | -6 | 14E | 222 | 12E | 3.5 | 31 |
| 4 | ? – 10 | -4 | 75E | 161 | 73E | 10 | 32 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.