Daily Sunspot Evaluation
Observation Sheet Monday, 27 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)
- 4
- Number of spots (f)
- 27
- Relative number (R)
- 67
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19690127.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 17 | 18E | 40 | |||
| 2 | ? – 2 | 34 | 69E | 349 | |||
| 3 | E – 23 | 10 | 28W | 86 | |||
| 4 | J – 1 | 18 | 48W | 104 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.