Daily Sunspot Evaluation
Observation Sheet Saturday, 29 August 1970
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)
- 11
- Number of spots (f)
- 68
- Relative number (R)
- 178
- Observer
- MA
- Reading
- all checks consistent
- File
- 19700829.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 13 | 05E | 329 | |||
| 2 | C – 9 | 14 | 12E | 322 | |||
| 3 | D – 13 | 20 | 63E | 271 | |||
| 4 | B – 6 | -16 | 67E | 267 | |||
| 5 | H – 7 | -8 | 08W | 342 | |||
| 6 | A – 3 | -4 | 09W | 343 | |||
| 7 | C – 10 | -21 | 41W | 15 | |||
| 8 | J – 1 | 4 | 56W | 30 | |||
| 9 | A – 2 | 7 | 35W | 9 | |||
| 10 | C – 12 | 12 | 24W | 358 | |||
| 11 | A – 2 | 18 | 72W | 46 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.