Daily Sunspot Evaluation
Observation Sheet Wednesday, 25 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)
- 5
- Number of spots (f)
- 21
- Relative number (R)
- 71
- Observer
- HM
- Reading
- all checks consistent
- File
- 19811125.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 3 | 13 | 61W | 202 | 64W | 2.5 | |
| 2 | AXX – 1 | 16 | 25E | 116 | 22E | - | |
| 3 | ARX – 8 | 12 | 33E | 108 | 30E | 3.5E | |
| 4 | AXX – 5 | 7 | 34E | 107 | 31E | 3.5 | |
| 5 | DKO – 4 | -10 | 76E | 65 | 73E | 8 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.