Daily Sunspot Evaluation
Observation Sheet Friday, 3 December 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)
- 5
- Number of spots (f)
- 26
- Relative number (R)
- 76
- Observer
- TA
- Reading
- all checks consistent
- File
- 19991203.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKC – 5 | 9 | 73W | 99 | 75W | 13 | |
| 2 | HR – 1 | 11 | 40E | 346 | 38E | ~1 | |
| 3 | HA – 4 | 12 | 54E | 332 | 52E | 8 | HK-1 |
| 4 | ? – 8 | 9 | 78E | 308 | 76E | ||
| 5 | DKO – 8 | -13 | 34W | 60 | 36W | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.