Daily Sunspot Evaluation
Observation Sheet Thursday, 30 October 1969
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)
- 37
- Relative number (R)
- 127
- Observer
- SM
- Reading
- counts consistent, some coordinates doubtful
- File
- 19691030.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 6 | 18 | 32E | 342 | |||
| 2 | A – 2 | -13 | 45E | 329 | |||
| 3 | A – 1 | -5 | 44E | 0 ⚠ | |||
| 4 | G – 6 | -13 | 05W | 19 | |||
| 5 | A – 6 | -15 | 16W | 30 | |||
| 6 | A – 1 | -11 | 48W | 62 | |||
| 7 | A – 1 | 5 | 75W | 89 | |||
| 8 | G – 13 | 11 | 53W | 67 | |||
| 9 | H – 1 | 9 | 75W | 89 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.