Daily Sunspot Evaluation
Observation Sheet Wednesday, 19 October 1983
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)
- 15
- Relative number (R)
- 55
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19831019.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 6 | 22 | 81W | 74 | 83W | 8 | 307 |
| 2 | ARX – 1 | -12 | 34W | 27 | 36W | 05 | 310 |
| 3 | DSO – 3 | -5 | 24W | 17 | 26W | 5 | 311 |
| 4 | CAO – 5 | -11 | 02W | 355 | 04W | 5.5 | 315 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.