Daily Sunspot Evaluation
Observation Sheet Monday, 8 November 1971
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)
- 28
- Relative number (R)
- 78
- Observer
- FA
- Reading
- all checks consistent
- File
- 19711108.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 10 | 10 | 15E | 325 | |||
| 2 | A – 5 | -8 | 17E | 323 | |||
| 3 | J – 2 | -19 | 20W | 0 | |||
| 4 | H – 9 | -10 | 23W | 3 | |||
| 5 | A – 2 | 11 | 22W | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.