Daily Sunspot Evaluation
Observation Sheet Sunday, 8 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)
- 6
- Number of spots (f)
- 98
- Relative number (R)
- 158
- Observer
- AT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19690608.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 30 | 10 | 02E | 415 ⚠ | |||
| 2 | J – 2 | 16 | 42E | 405 ⚠ | |||
| 3 | H – 2 | 8 | 43E | 404 ⚠ | |||
| 4 | E – 19 | 41 | 27E | 90 ⚠ | |||
| 5 | H – 5 | 15 | 44E | 73 ⚠ | |||
| 6 | F – 40 | -16 | 28E | 83 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.