Daily Sunspot Evaluation
Observation Sheet Friday, 29 July 1966
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)
- 37
- Relative number (R)
- 97
- Observer
- LT
- Reading
- all checks consistent
- File
- 19660729.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 36 | 22°E | 205 | |||
| 2 | H – 18 | 26 | 58°E | 169 | |||
| 3 | D – 9 | 28 | 72°E | 155 | |||
| 4 | A – 2 | 21 | 60°W | 287 | |||
| 5 | H – 3 | 22 | 36°W | 257 | |||
| 6 | H – 3 | 38 | 57°W | 244 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



