Daily Sunspot Evaluation
Observation Sheet Saturday, 2 August 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)
- 11
- Number of spots (f)
- 118
- Relative number (R)
- 228
- Observer
- MÖ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19690802.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 4 | 9 | 55E | 54 | |||
| 2 | A – 2 | 8 | 46E | 63 | |||
| 3 | E – 25 | -12 | 42E | 67 | |||
| 4 | A – 3 | -24 | 60E | 49 | |||
| 5 | A – 1 | -16 | 02E | 107 | |||
| 6 | F – 51 | -8 | 17W | 126 | |||
| 7 | D – 9 | 5 | 05W | 114 | |||
| 8 | H – 7 | -15 | 43W | 152 | |||
| 9 | J – 1 | -12 | 67W | 126 ⚠ | |||
| 10 | A – 4 | 13 | 50W | 159 | |||
| 11 | B – 11 | 13 | 08W | 117 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.