Daily Sunspot Evaluation
Observation Sheet Monday, 24 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)
- 10
- Number of spots (f)
- 71
- Relative number (R)
- 171
- Observer
- HA
- Reading
- all checks consistent
- File
- 19700824.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 3 | 13 | 06°E | 85 | |||
| 2 | H – 2 | 11 | 47°E | 354 | |||
| 3 | B – 4 | 9 | 56°E | 315 | |||
| 4 | J – 5 | -7 | 68°E | 338 | |||
| 5 | J – 1 | 4 | 11°E | 30 | |||
| 6 | A – 2 | -10 | 62°E | 339 | |||
| 7 | D – 15 | -7 | 42°W | 83 | |||
| 8 | H – 3 | 7 | 59°W | 93 | |||
| 9 | D – 19 | 20 | 33°W | 74 | |||
| 10 | D – 17 | 19 | 01°W | 42 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.