Daily Sunspot Evaluation
Observation Sheet Monday, 9 June 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)
- 7
- Number of spots (f)
- 101
- Relative number (R)
- 171
- Observer
- MÖ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19690609.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 20 | 10 | 15E | 89 | |||
| 2 | H – 4 | 16 | 28E | 46 ⚠ | |||
| 3 | F – 42 | -15 | 14E | 90 | |||
| 4 | A – 3 | -14 | 09W | 113 | |||
| 5 | E – 29 | 11 | 13W | 117 | |||
| 6 | J – 1 | 8 | 01W | 105 | |||
| 7 | J – 2 | 16 | 02W | 106 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.