Daily Sunspot Evaluation
Observation Sheet Wednesday, 14 October 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)
- 9
- Number of spots (f)
- 87
- Relative number (R)
- 177
- Observer
- HM
- Reading
- all checks consistent
- File
- 19811014.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 5 | 20 | 44W | 18 | 46W | 8.5 | |
| 2 | HAX – 4 | 19 | 05E | 329 | 03E | 3.5 | |
| 3 | DAO – 9 | -16 | 26W | 360 | 28W | 12.5 | |
| 4 | FKC – 41 | -18 | 01W | 334 | 03W | 20 | |
| 5 | BXO – 3 | -18 | 12E | 322 | 10E | 5 | |
| 6 | AXX – 3 | -6 | 12E | 322 | 10E | - | |
| 7 | AXX – 2 | -10 | 14E | 320 | 12E | - | |
| 8 | FKC – 19 | -11 | 61E | 273 | 59E | 15.5 | |
| 9 | ? – 1 | -12 | 80E | 254 | 78E | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.