Daily Sunspot Evaluation
Observation Sheet Monday, 16 October 1967
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)
- 3
- Number of spots (f)
- 36
- Relative number (R)
- 66
- Observer
- SM
- Reading
- all checks consistent
- File
- 19671016.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 9 | -16 | 23E | 103 | |||
| 2 | H – 17 | -24 | 4E | 122 | |||
| 3 | H – 10 | 17 | 72W | 198 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.