Daily Sunspot Evaluation
Observation Sheet Wednesday, 16 October 1968
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)
- 4
- Number of spots (f)
- 59
- Relative number (R)
- 99
- Observer
- SM
- Reading
- all checks consistent
- File
- 19681016.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 25 | 23E | 313 | |||
| 2 | D – 36 | 20 | 21E | 315 | |||
| 3 | C – 17 | -20 | 07W | 343 | |||
| 4 | B – 5 | -12 | 35W | 11 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.