Daily Sunspot Evaluation
Observation Sheet Sunday, 26 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)
- 5
- Number of spots (f)
- 41
- Relative number (R)
- 91
- Observer
- AT
- Reading
- all checks consistent
- File
- 19690126.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 4 | 15 | 28°E | 41 | |||
| 2 | J – 1 | 13 | 82°W | 151 | |||
| 3 | J – 3 | 14 | 63°W | 132 | |||
| 4 | E – 31 | 10 | 16°W | 85 | |||
| 5 | J – 2 | 17 | 34°W | 103 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.