Daily Sunspot Evaluation
Observation Sheet Saturday, 24 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)
- 22
- Relative number (R)
- 42
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19830924.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BRO – 4 | -17 | 22E | 300 | 20E | 225 | 295 |
| 2 | EXC – 18 | -22 | 53E | 269 | 51E | 14 | 296 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.