Daily Sunspot Evaluation
Observation Sheet Wednesday, 15 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)
- 8
- Number of spots (f)
- 51
- Relative number (R)
- 131
- Observer
- SB
- Reading
- all checks consistent
- File
- 19671115.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 7 | 12 | 18E | 73 | |||
| 2 | A – 1 | 19 | 46E | 45 | |||
| 3 | G – 12 | 10 | 51E | 40 | |||
| 4 | B – 2 | -20 | 13W | 104 | |||
| 5 | A – 10 | -13 | 31W | 122 | |||
| 6 | D – 14 | 12 | 54W | 145 | |||
| 7 | A – 3 | 19 | 11W | 102 | |||
| 8 | H – 2 | 15 | 01W | 92 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.