Daily Sunspot Evaluation
Observation Sheet Saturday, 1 September 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)
- 7
- Number of spots (f)
- 65
- Relative number (R)
- 135
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20010901.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 22 | 02W | 247 | 05W | 2.5 | |
| 2 | PAC – 38 | 14 | 29W | 274 | 32W | 20 | |
| 3 | AX – 1 | 15 | 69E | 176 | 66E | ||
| 4 | ? – 1 | -29 | 69W | 314 | 72W | ||
| 5 | DKI – 11 | -19 | 46W | 291 | 49W | 9 | |
| 6 | AX – 1 | -21 | 23W | 268 | 26W | ||
| 7 | DKO – 12 | -18 | 07E | 238 | 09E | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.