Daily Sunspot Evaluation
Observation Sheet Sunday, 26 September 1999
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)
- 8
- Relative number (R)
- 48
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19990926.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CSO – 3 | 21 | 0 | 203 | 03W | 8 | |
| 2 | HFA – 1 | -21 | 43W | 246 | 46W | 2 | |
| 3 | AX – 2 | -1 | 07W | 212 | 42W | 2 | |
| 4 | AX – 2 | -14 | 16E | 187 | 13E | 1.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.