Daily Sunspot Evaluation
Observation Sheet Thursday, 23 November 1967
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)
- 25
- Relative number (R)
- 75
- Observer
- SB
- Reading
- all checks consistent
- File
- 19671123.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 12 | 20 | 24E | 321 | |||
| 2 | ? – 1 | 13 | 75E | 270 | |||
| 3 | A – 2 | -21 | 68E | 277 | |||
| 4 | G – 5 | 9 | 56W | 41 | |||
| 5 | B – 5 | 19 | 22W | 7 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.