Daily Sunspot Evaluation
Observation Sheet Monday, 18 November 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)
- 21
- Relative number (R)
- 61
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19681118.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 10 | 12 | 19E | 242 | |||
| 2 | ? – 1 | 20 | 85W | 346 | |||
| 3 | B – 9 | 18 | 30W | 291 | |||
| 4 | A – 1 | 7 | 02W | 263 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.