Daily Sunspot Evaluation
Observation Sheet Thursday, 16 January 1969
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)
- 43
- Relative number (R)
- 123
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19690116.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 23 | 69E | 131 | |||
| 2 | E – 7 | 14 | 56E | 144 | |||
| 3 | J – 2 | -17 | 68E | 132 | |||
| 4 | H – 3 | -13 | 23E | 177 | |||
| 5 | E – 16 | -14 | 54W | 254 | |||
| 6 | J – 1 | -8 | 83W | 285 | |||
| 7 | D – 9 | 11 | 60W | 260 | |||
| 8 | J – 2 | 20 | 73W | 273 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.