Daily Sunspot Evaluation
Observation Sheet Sunday, 22 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)
- 4
- Number of spots (f)
- 23
- Relative number (R)
- 63
- Observer
- HM
- Reading
- all checks consistent
- File
- 19811122.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HKX – 12 | 13 | 22W | 202 | 25W | 3 | |
| 2 | CAO – 2 | 14 | 63E | 117 | 60E | 6 | |
| 3 | ? – 4 | -17 | 79W | 259 | 82W | 12 | |
| 4 | CAI – 5 | -5 | 48W | 228 | 51W | 7 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.