Daily Sunspot Evaluation
Observation Sheet Thursday, 19 January 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)
- 7
- Number of spots (f)
- 39
- Relative number (R)
- 109
- Observer
- LT
- Reading
- all checks consistent
- File
- 19670119.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 27 | 48E | 44 | 43 | ||
| 2 | B – 4 | 11 | 21E | 71 | 70 | ||
| 3 | G – 16 | 15 | 45E | 47 | 46 | ||
| 4 | ? – 2 | 19 | 90E | 2 | 01 | ||
| 5 | F – 1 | 15 | 70E | 22 | 21 | ||
| 6 | ED – 13 | -24 | 42W | 134 | 133 | ||
| 7 | F – 1 | 22 | 18W | 110 | 109 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.