Daily Sunspot Evaluation
Observation Sheet Sunday, 26 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)
- 7
- Number of spots (f)
- 69
- Relative number (R)
- 139
- Observer
- AT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19691026.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 41 | 41 | 01E | 65 | |||
| 2 | A – 1 | 20 | 54E | 42 ⚠ | |||
| 3 | J – 2 | -13 | 50E | 46 ⚠ | |||
| 4 | A – 4 | -13 | 03E | 57 ⚠ | |||
| 5 | H – 3 | -10 | 04E | 62 | |||
| 6 | B – 10 | 5 | 20W | 86 | |||
| 7 | H – 8 | 10 | 22W | 88 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.