Daily Sunspot Evaluation
Observation Sheet Sunday, 13 June 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)
- 11
- Number of spots (f)
- 119
- Relative number (R)
- 229
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19990613.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 9 | 30 | 55W | 205 | 57W | 13 | |
| 2 | CAE – 9 | 20 | 55W | 205 | 57W | 10 | CAO-9 |
| 3 | BXO – 3 | 14 | 48W | 198 | 50W | ~4 | |
| 4 | EAC – 43 | 19 | 38W | 188 | 40W | 16 | FKL-43 |
| 5 | CRI – 20 | 25 | 15E | 135 | 13E | 7 | |
| 6 | ? – 3 | 36 | 75E | 75 | 73E | 8 | |
| 7 | HR – 1 | -15 | 36W | 186 | 38W | 1 | Ho-1 |
| 8 | AX – 3 | -20 | 35W | 185 | 37W | 1.5 | Hr-3 |
| 9 | CAI – 15 | -30 | 32W | 182 | 34W | 10 | |
| 10 | HK – 7 | -20 | 24E | 126 | 22E | 4 | |
| 11 | DAI – 6 | -14 | 53E | 97 | 51E | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.