Daily Sunspot Evaluation
Observation Sheet Thursday, 5 December 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)
- 5
- Number of spots (f)
- 72
- Relative number (R)
- 122
- Observer
- SM
- Reading
- all checks consistent
- File
- 19681205.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 59 | 12 | 07E | 29 | |||
| 2 | J – 1 | 18 | 56E | 340 | |||
| 3 | D – 5 | -13 | 19E | 17 | |||
| 4 | J – 2 | -26 | 32E | 4 | |||
| 5 | G – 5 | -13 | 02W | 38 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.