Daily Sunspot Evaluation
Observation Sheet Sunday, 30 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)
- 13
- Number of spots (f)
- 63
- Relative number (R)
- 193
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19700830.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 9 | 19 | 51E | 271 | |||
| 2 | ? – 7 | 15 | 79E | 243 | |||
| 3 | B – 13 | -8 | 56E | 266 | |||
| 4 | A – 1 | -10 | 07W | 329 | |||
| 5 | J – 1 | -9 | 22W | 344 | |||
| 6 | B – 7 | -21 | 56W | 18 | |||
| 7 | A – 1 | -6 | 22W | 344 | |||
| 8 | J – 1 | 6 | 69W | 31 | |||
| 9 | J – 1 | 9 | 49W | 11 | |||
| 10 | C – 8 | 13 | 36W | 358 | |||
| 11 | B – 2 | 21 | 79W | 41 | |||
| 12 | A – 6 | 13 | 07W | 329 | |||
| 13 | H – 6 | 13 | 01W | 323 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.