Daily Sunspot Evaluation
Observation Sheet Friday, 8 January 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)
- 21
- Relative number (R)
- 61
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 19990108.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAO – 4 | 14 | 42W | 91 | 45W | 13 | |
| 2 | CSO – 9 | -29 | 06E | 43 | 03E | 5.5 | |
| 3 | CAO – 5 | -29 | 28E | 21 | 25E | 5 | |
| 4 | AX – 3 | -27 | 45E | 4 | 42E | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.