Daily Sunspot Evaluation
Observation Sheet Thursday, 5 November 1981
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)
- 16
- Number of spots (f)
- 139
- Relative number (R)
- 299
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19811105.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HHX – 1 | 16 | 74W | 119 | 77W | 3.5 | |
| 2 | HKX – 2 | 16 | 36W | 81 | 39W | 3 | |
| 3 | HKX – 2 | 29 | 32W | 77 | 35W | 3 | |
| 4 | ARX – 2 | 11 | 17W | 62 | 20W | 1 | |
| 5 | DAC – 9 | 13 | 07E | 38 | 04E | 5 | |
| 6 | HSX – 1 | 19 | 13E | 32 | 10E | 0.75 | |
| 7 | BXI – 6 | 3 | 28E | 17 | 25E | 4 | |
| 8 | AXX – 3 | 2 | 40E | 5 | 37E | 0.75 | |
| 9 | ? – 1 | 16 | 82E | 323 | 79E | ||
| 10 | HSX – 1 | -1 | 60W | 105 | 63W | 1.5 | |
| 11 | BXO – 5 | -22 | 37W | 82 | 40W | 7.5 | |
| 12 | HSX – 1 | -6 | 23W | 68 | 26W | 0.75 | |
| 13 | FKC – 85 | -10 | 06W | 51 | 09W | 21 | |
| 14 | HHX – 1 | -4 | 38E | 7 | 35E | 3 | |
| 15 | FKC – 14 | -17 | 44E | 1 | 41E | 12 | |
| 16 | DXC – 5 | -22 | 70E | 335 | 67E | 9 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.