Daily Sunspot Evaluation
Observation Sheet Saturday, 10 January 1970
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)
- 36
- Relative number (R)
- 96
- Observer
- AT
- Reading
- all checks consistent
- File
- 19700110.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 11 | 45E | 97 | |||
| 2 | J – 2 | -8 | 68E | 74 | |||
| 3 | D – 10 | -10 | 46E | 96 | |||
| 4 | ? – 1 | -14 | 74E | 68 | |||
| 5 | E – 17 | -30 | 35W | 177 | |||
| 6 | A – 3 | -14 | 33W | 175 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.