Daily Sunspot Evaluation
Observation Sheet Friday, 28 October 1966
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)
- 10
- Relative number (R)
- 80
- Observer
- LT
- Reading
- all checks consistent
- File
- 19661028.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 22 | 12E | 94 | |||
| 2 | A – 1 | 21 | 36E | 70 | |||
| 3 | A – 2 | -21 | 58E | 48 | |||
| 4 | A – 1 | -27 | 04W | 110 | |||
| 5 | A – 1 | -27 | 58W | 164 | |||
| 6 | A – 1 | -23 | 62W | 168 | |||
| 7 | A – 2 | 14 | 34W | 140 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.