Daily Sunspot Evaluation
Observation Sheet Friday, 23 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)
- 9
- Number of spots (f)
- 46
- Relative number (R)
- 136
- Observer
- FA
- Reading
- all checks consistent
- File
- 19701023.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 14 | 15 | 32E | 297 | |||
| 2 | ? – 5 | 18 | 83E | 246 | |||
| 3 | H – 3 | 14 | 71E | 258 | |||
| 4 | J – 1 | -7 | 46E | 283 | |||
| 5 | J – 1 | -23 | 67E | 262 | |||
| 6 | G – 8 | 9 | 66W | 35 | |||
| 7 | J – 1 | 17 | 63W | 32 | |||
| 8 | D – 12 | 11 | 16W | 345 | |||
| 9 | A – 1 | 13 | 02W | 331 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.