Daily Sunspot Evaluation
Observation Sheet Monday, 5 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)
- 53
- Relative number (R)
- 113
- Observer
- AT
- Reading
- all checks consistent
- File
- 19700105.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 4 | 08E | 200 | ||||
| 2 | A – 2 | 54E | 157 | ||||
| 3 | A – 2 | 36E | 172 | ||||
| 4 | A – 2 | 24E | 184 | ||||
| 5 | ? – 3 | 86W | 294 | ||||
| 6 | E – 40 | 36W | 244 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.