Daily Sunspot Evaluation
Observation Sheet Thursday, 14 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)
- 30
- Relative number (R)
- 70
- Observer
- NA
- Reading
- all checks consistent
- File
- 19990114.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 10 | 25E | 305 | 23E | 2 | |
| 2 | DSO – 9 | 19 | 65E | 265 | 63E | 8 | |
| 3 | AX – 5 | -20 | 07W | 337 | 09W | 1.5 | |
| 4 | FAC – 15 | -25 | 65E | 265 | 63E | 0.16 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.