Daily Sunspot Evaluation
Observation Sheet Sunday, 16 May 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)
- 7
- Number of spots (f)
- 64
- Relative number (R)
- 134
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19990516.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 2 | 22 | 53W | 215 | 56W | ~4 | |
| 2 | EAC – 20 | 20 | 31W | 193 | 34W | 12 | |
| 3 | CAO – 5 | 21 | 20W | 182 | 23W | ~4 | |
| 4 | HH – 3 | 36 | 58E | 104 | 55E | ~4 | |
| 5 | HA – 1 | -16 | 65W | 227 | 68W | ~2 | |
| 6 | CSO – 6 | -20 | 18E | 144 | 15E | ~8 | |
| 7 | EAC – 27 | -21 | 43E | 119 | 40E | 11 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.