Daily Sunspot Evaluation
Observation Sheet Thursday, 21 November 1968
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)
- 4
- Number of spots (f)
- 37
- Relative number (R)
- 77
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19681121.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 11 | -16 | 51E | 170 | |||
| 2 | A – 1 | -20 | 43E | 178 | |||
| 3 | C – 4 | 18 | 70W | 291 | |||
| 4 | H – 21 | 12 | 19W | 240 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.