Daily Sunspot Evaluation
Observation Sheet Thursday, 7 October 1965
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)
- 2
- Number of spots (f)
- 12
- Relative number (R)
- 32
- Observer
- LT
- Reading
- all checks consistent
- File
- 19651007.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 3 | -14 | 75W | 235 | |||
| 2 | B – 9 | 26 | 60W | 220 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.