Daily Sunspot Evaluation
Observation Sheet Thursday, 29 October 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)
- 8
- Number of spots (f)
- 143
- Relative number (R)
- 223
- Observer
- HA
- Reading
- all checks consistent
- File
- 19701029.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 65 | 20 | 06E | 242 | |||
| 2 | J – 3 | -11 | 52E | 196 | |||
| 3 | A – 2 | -23 | 72E | 176 | |||
| 4 | J – 2 | -10 | 33W | 281 | |||
| 5 | D – 19 | 3 | 17W | 265 | |||
| 6 | D – 7 | 13 | 67W | 315 | |||
| 7 | H – 5 | 14 | 50W | 298 | |||
| 8 | E – 40 | 15 | 13W | 261 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.