Daily Sunspot Evaluation
Observation Sheet Thursday, 5 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)
- 12
- Number of spots (f)
- 38
- Relative number (R)
- 158
- Observer
- AT
- Reading
- all checks consistent
- File
- 19690605.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 6 | ||||||
| 2 | J – 1 | ||||||
| 3 | ? – 3 | ||||||
| 4 | A – 4 | ||||||
| 5 | ? – 6 | ||||||
| 6 | J – 1 | ||||||
| 7 | H – 2 | ||||||
| 8 | D – 10 | ||||||
| 9 | A – 1 | ||||||
| 10 | A – 1 | ||||||
| 11 | A – 1 | ||||||
| 12 | J – 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.