Daily Sunspot Evaluation
Observation Sheet Wednesday, 11 February 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)
- 19
- Relative number (R)
- 59
- Observer
- MS
- Reading
- all checks consistent
- File
- 20040211.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DRO – 4 | 17 | 33E | 308 | 30E | 1.5 | 22 |
| 2 | DSO – 6 | -7 | 46W | 27 | 49W | 8 | 18 |
| 3 | DSC – 8 | -9 | 34E | 307 | 31E | 1.9 | 20 |
| 4 | HR – 1 | -14 | 54E | 287 | 51E | 0.5 | 21 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.