Daily Sunspot Evaluation
Observation Sheet Friday, 30 June 1967
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)
- 9
- Number of spots (f)
- 33
- Relative number (R)
- 123
- Observer
- LT
- Reading
- all checks consistent
- File
- 19670630.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 2 | 24 | 3°E | 110 | |||
| 2 | H – 2 | 20 | 61°E | 52 | |||
| 3 | B – 5 | 12 | 28°E | 85 | |||
| 4 | A – 1 | 17 | 70°E | 43 | |||
| 5 | ? – 1 | -17 | 80°E | 33 | |||
| 6 | C – 11 | -24 | 43°W | 156 | |||
| 7 | B – 3 | -16 | 33°W | 146 | |||
| 8 | H – 3 | 16 | 65°W | 178 | |||
| 9 | B – 5 | 32 | 47°W | 160 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.