Daily Sunspot Evaluation
Observation Sheet Friday, 18 November 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)
- 5
- Number of spots (f)
- 16
- Relative number (R)
- 66
- Observer
- DK
- Reading
- all checks consistent
- File
- 19661118.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 9 | 11 | 22°E | 166 | |||
| 2 | J – 1 | 25 | 25°E | 103 | |||
| 3 | J – 1 | 25 | 69°E | 119 | |||
| 4 | H – 3 | 8 | 71°W | 159 | |||
| 5 | J – 2 | 12 | 60°W | 256 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.