Daily Sunspot Evaluation
Observation Sheet Wednesday, 28 September 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)
- 2
- Number of spots (f)
- 42
- Relative number (R)
- 62
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19830928.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 2 | -14 | 73W | 344 | 77W | 8 | 298 |
| 2 | EKC – 40 | -19 | 03E | 268 | 01W | 13 | 296 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.