Daily Sunspot Evaluation
Observation Sheet Monday, 4 February 2002
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)
- 10
- Number of spots (f)
- 43
- Relative number (R)
- 143
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20020204.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 3 | 6 | 67W | 55 | 69W | ~4 | |
| 2 | HS – 1 | 11 | 14W | 2 | 16W | 1 | |
| 3 | DRS – 4 | 16 | 10E | 338 | 08E | 6 | |
| 4 | HK – 2 | 10 | 49E | 299 | 47E | ~3.5 | |
| 5 | HA – 1 | 11 | 66E | 282 | 64E | 2 | |
| 6 | HS – 1 | -4 | 49W | 37 | 51W | 1.5 | |
| 7 | FKC – 19 | -15 | 31W | 19 | 33W | 19 | |
| 8 | EAO – 6 | -27 | 23E | 325 | 21E | 14 | |
| 9 | DSO – 2 | -6 | 25E | 323 | 23E | 6 | |
| 10 | DAO – 4 | -26 | 66E | 282 | 64E | ~6 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.