Daily Sunspot Evaluation
Observation Sheet Friday, 21 November 1969
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)
- 6
- Number of spots (f)
- 99
- Relative number (R)
- 159
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19691121.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 70 | 10 | 04E | 80 | |||
| 2 | A – 1 | 11 | 18E | 66 | |||
| 3 | D – 22 | 12 | 39E | 45 | |||
| 4 | J – 1 | -13 | 48E | 36 | |||
| 5 | A – 3 | -14 | 29W | 113 | |||
| 6 | A – 2 | 19 | 70W | 154 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.