Daily Sunspot Evaluation
Observation Sheet Wednesday, 8 December 1971
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)
- 7
- Number of spots (f)
- 46
- Relative number (R)
- 116
- Observer
- FA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19711208.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 4 | 6 | 18E | 286 | |||
| 2 | C – 5 | 9 | 63E | 241 | |||
| 3 | J – 2 | -3 | 54E | 250 | |||
| 4 | J – 3 | -13 | 01E | 303 | |||
| 5 | E – 17 | -5 | 18W | 322 | |||
| 6 | B – 6 | 8 | 45W | 249 ⚠ | |||
| 7 | C – 9 | 10 | 07W | 311 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.