Daily Sunspot Evaluation
Observation Sheet Tuesday, 21 November 1967
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)
- 34
- Relative number (R)
- 114
- Observer
- —
- Reading
- all checks consistent
- File
- 19671121.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 5 | 18 | 3E | 9 | |||
| 2 | H – 1 | 20 | 9E | 3 | |||
| 3 | G – 5 | 20 | 52E | 319 | |||
| 4 | B – 4 | -16 | 27W | 39 | |||
| 5 | C – 5 | 9 | 65W | 77 | |||
| 6 | G – 10 | 10 | 27W | 39 | |||
| 7 | ? – 1 | 15 | 80W | 92 | |||
| 8 | C – 3 | 18 | 12W | 24 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.