Daily Sunspot Evaluation
Observation Sheet Friday, 6 July 2001
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)
- 6
- Number of spots (f)
- 18
- Relative number (R)
- 78
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20010706.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXI – 5 | 18 | 07E | 272 | 04E | ~3.5 | |
| 2 | HS – 1 | 7 | 42E | 237 | 39E | ~2 | |
| 3 | AX – 1 | -51 | 35W | 314 | 38W | - | |
| 4 | AX – 1 | -9 | 33W | 312 | 36W | - | |
| 5 | AX – 3 | -20 | 16W | 295 | 19W | ~2 | |
| 6 | HK – 7 | -18 | 21E | 258 | 18E | 8 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.