Daily Sunspot Evaluation
Observation Sheet Saturday, 6 December 1980
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)
- 29
- Relative number (R)
- 79
- Observer
- OG
- Reading
- counts consistent, some coordinates doubtful
- File
- 19801206.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 5 | 23 | 56W | 183 ⚠ | 58W | 4 | |
| 2 | HSX – 1 | 26 | 05E | 128 | 05E | 1 | |
| 3 | EKC – 17 | -10 | 45W | 178 | 47W | 15 | |
| 4 | HAX – 5 | -10 | 31W | 164 | 33W | 2 | |
| 5 | HSX – 1 | -12 | 30E | 103 | 2PE | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.