Daily Sunspot Evaluation
Observation Sheet Tuesday, 30 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)
- 48
- Relative number (R)
- 118
- Observer
- SK
- Reading
- all checks consistent
- File
- 19711130.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | -10 | 46E | 3 | |||
| 2 | C – 4 | -15 | 18E | 31 | |||
| 3 | E – 19 | -17 | 41W | 90 | |||
| 4 | B – 5 | -11 | 34W | 83 | |||
| 5 | B – 10 | -11 | 44W | 93 | |||
| 6 | ? – 1 | -6 | 83W | 132 | |||
| 7 | C – 8 | 13 | 30W | 79 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.