Daily Sunspot Evaluation
Observation Sheet Monday, 29 July 1968
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)
- 8
- Number of spots (f)
- 73
- Relative number (R)
- 153
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19680729.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 22 | 15 | 23E | 277 | |||
| 2 | D – 19 | 7 | 22E | 278 | |||
| 3 | E – 9 | -17 | 69W | 9 | |||
| 4 | A – 3 | -11 | 69W | 9 | |||
| 5 | D – 7 | 8 | 74W | 14 | |||
| 6 | D – 4 | 11 | 43W | 343 | |||
| 7 | A – 3 | 8 | 9W | 309 | |||
| 8 | C – 6 | 30 | 22W | 322 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.