Daily Sunspot Evaluation
Observation Sheet Tuesday, 11 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)
- 9
- Number of spots (f)
- 92
- Relative number (R)
- 182
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19831011.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKO – 26 | 7 | 35W | 134 | 38W | 15.5 | 303 |
| 2 | HAX – 3 | 13 | 14W | 113 | 17W | 2.25 | 304 |
| 3 | CAI – 17 | 6 | 12W | 111 | 15W | 4 | 308 |
| 4 | DAI – 9 | 21 | 25E | 74 | 22E | 8 | 307 |
| 5 | DAC – 8 | -15 | 50W | 149 | 53W | 7 | 305 |
| 6 | DAC – 21 | -16 | 23W | 122 | 26W | 6.5 | 309 |
| 7 | AXX – 5 | -9 | 04E | 95 | 01E | 2 | 306 |
| 8 | HAX – 1 | -12 | 74E | 25 | 71E | - | 310 |
| 9 | ? – 2 | -7 | 83E | 16 | 80E | - | 311 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.