Daily Sunspot Evaluation
Observation Sheet Sunday, 3 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)
- 8
- Number of spots (f)
- 141
- Relative number (R)
- 221
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19690803.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 8 | 9 | 41E | 55 | |||
| 2 | E – 34 | -13 | 29E | 67 | |||
| 3 | B – 7 | -24 | 46E | 50 | |||
| 4 | F – 69 | -8 | 30W | 126 | |||
| 5 | J – 4 | -15 | 55W | 151 | |||
| 6 | ? – 1 | -12 | 78W | 174 | |||
| 7 | C – 7 | 5 | 18W | 114 | |||
| 8 | D – 11 | 13 | 21W | 117 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.