Daily Sunspot Evaluation
Observation Sheet Friday, 18 November 1960
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)
- 6
- Number of spots (f)
- 34
- Relative number (R)
- 94
- Observer
- BG
- Reading
- all checks consistent
- File
- 19601118.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 3 | 7 | 41E | ||||
| 2 | B – 3 | 8 | 10W | ||||
| 3 | ? – 2 | 28 | 25W | ||||
| 4 | B – 3 | 23 | 42W | ||||
| 5 | C – 15 | 19 | 15W | ||||
| 6 | E – 8 | 21 | 5W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.