Daily Sunspot Evaluation
Observation Sheet Friday, 14 December 1984
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)
- 2
- Number of spots (f)
- 10
- Relative number (R)
- 30
- Observer
- TS
- Reading
- all checks consistent
- File
- 19841214.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BRO – 4 | 18 | 36E | 152 | 35E | 6 | 1915 |
| 2 | DKO – 6 | -12 | 38W | 221 | 39W | 6 | 1915 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.