Daily Sunspot Evaluation
Observation Sheet Tuesday, 4 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)
- 2
- Number of spots (f)
- 36
- Relative number (R)
- 56
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20030204.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DSI – 9 | -6 | 14W | 224 | 16W | 6 | 31 |
| 2 | EAI – 27 | -14 | 49E | 161 | 47E | ~13 | 32 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.