Daily Sunspot Evaluation
Observation Sheet Monday, 14 December 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)
- 5
- Number of spots (f)
- 45
- Relative number (R)
- 95
- Observer
- HA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19701214.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 2 | 19 | 69E | 293 | |||
| 2 | ? – 1 | 14 | 82E | 230 ⚠ | |||
| 3 | D – 10 | -6 | 54W | 56 | |||
| 4 | D – 11 | 14 | 36W | 33 ⚠ | |||
| 5 | D – 21 | 13 | 02W | 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.