Daily Sunspot Evaluation
Observation Sheet Sunday, 4 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)
- 35
- Relative number (R)
- 95
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19700104.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 20 | 25E | 199 | |||
| 2 | A – 1 | 27 | 68E | 156 | |||
| 3 | J – 1 | 9 | 53E | 171 | |||
| 4 | A – 1 | -12 | 50E | 174 | |||
| 5 | G – 6 | -21 | 65W | 289 | |||
| 6 | E – 25 | 12 | 21W | 245 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.