Daily Sunspot Evaluation
Observation Sheet Thursday, 29 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)
- 6
- Number of spots (f)
- 44
- Relative number (R)
- 104
- Observer
- LT
- Reading
- all checks consistent
- File
- 19670629.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 7 | 24 | 18E | 109 | |||
| 2 | ? – 5 | 20 | 83E | 44 | |||
| 3 | A – 3 | -20 | 4W | 131 | |||
| 4 | C – 16 | -23 | 29W | 156 | |||
| 5 | H – 11 | 17 | 51W | 178 | |||
| 6 | A – 2 | 18 | 40W | 167 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.