Daily Sunspot Evaluation
Observation Sheet Thursday, 25 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)
- 8
- Number of spots (f)
- 59
- Relative number (R)
- 139
- Observer
- HM
- Reading
- all checks consistent
- File
- 19711125.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 22 | 14 | 36E | 80 | |||
| 2 | B – 3 | -9 | 34E | 82 | |||
| 3 | C – 8 | -8 | 25E | 91 | |||
| 4 | C – 13 | -17 | 30E | 86 | |||
| 5 | A – 8 | -15 | 23E | 93 | |||
| 6 | A – 1 | -7 | 11E | 105 | |||
| 7 | H – 1 | -6 | 18W | 134 | |||
| 8 | ? – 3 | -15 | 78W | 194 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.