Daily Sunspot Evaluation
Observation Sheet Monday, 3 February 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)
- 6
- Number of spots (f)
- 18
- Relative number (R)
- 78
- Observer
- SM
- Reading
- all checks consistent
- File
- 19690203.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 25 | 33E | 294 | |||
| 2 | D – 4 | 10 | 61E | 266 | |||
| 3 | A – 10 | -1 | 35E | 292 | |||
| 4 | J – 1 | -7 | 43E | 284 | |||
| 5 | A – 1 | -12 | 74W | 41 | |||
| 6 | J – 1 | 36 | 18W | 345 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.