Daily Sunspot Evaluation
Observation Sheet Monday, 22 September 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)
- 9
- Number of spots (f)
- 22
- Relative number (R)
- 112
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19690922.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 2 | 5 | 67E | 89 | |||
| 2 | B – 2 | 5 | 48E | 108 | |||
| 3 | A – 1 | 0 | 66E | 90 | |||
| 4 | B – 6 | 5 | 07E | 149 | |||
| 5 | J – 1 | -14 | 73E | 83 | |||
| 6 | A – 1 | -10 | 51E | 105 | |||
| 7 | A – 2 | -30 | 39E | 117 | |||
| 8 | B – 6 | -4 | 67W | 223 | |||
| 9 | J – 1 | 14 | 82W | 238 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.