Daily Sunspot Evaluation
Observation Sheet Wednesday, 19 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)
- 6
- Number of spots (f)
- 40
- Relative number (R)
- 100
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19990519.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 3 | 20 | 73W | 193 | 74W | 10 | |
| 2 | HH – 5 | 35 | 22E | 98 | 21E | 6 | |
| 3 | AX – 1 | 26 | 57E | 63 | 56E | - | |
| 4 | CSO – 2 | -19 | 23W | 143 | 24W | 25 | H5-2 |
| 5 | EAS – 17 | -20 | 01E | 119 | 00 | 14 | |
| 6 | CRI – 12 | -22 | 30E | 90 | 29E | 8.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.