Daily Sunspot Evaluation
Observation Sheet Sunday, 9 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)
- 6
- Number of spots (f)
- 82
- Relative number (R)
- 142
- Observer
- AÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19831009.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FKC – 46 | 3 | 20W | 134 ⚠ | 21W | 17 | 303 |
| 2 | CAF – 6 | 13 | 10E | 114 | 09E | 3 | 304 |
| 3 | DAO – 2 | 6 | 13E | 111 | 12E | 3 | 308 |
| 4 | CAI – 14 | 22 | 51E | 73 | 50E | 6 | 307 |
| 5 | BXI – 3 | -16 | 03E | 121 | 02E | 3.5 | 309 |
| 6 | DAO – 11 | -8 | 22E | 92 ⚠ | 31E | 7.5 | 306 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.