Daily Sunspot Evaluation
Observation Sheet Friday, 5 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)
- 7
- Number of spots (f)
- 40
- Relative number (R)
- 110
- Observer
- HM
- Reading
- all checks consistent
- File
- 19711105.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 11 | 01E | 18 | |||
| 2 | C – 13 | 11 | 21E | 358 | |||
| 3 | B – 5 | -10 | 27E | 352 | |||
| 4 | H – 14 | -9 | 17E | 2 | |||
| 5 | J – 1 | -19 | 19E | 0 | |||
| 6 | G – 4 | -10 | 72W | 91 | |||
| 7 | H – 1 | 11 | 61W | 80 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.