Daily Sunspot Evaluation
Observation Sheet Tuesday, 9 January 1979
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)
- 11
- Number of spots (f)
- 113
- Relative number (R)
- 223
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790109.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 19 | 19 | 33E | 300 | 30E | 19 | |
| 2 | A – 1 | 23 | 50E | 283 | 47E | 24 | |
| 3 | G – 13 | 17 | 48E | 285 | 45E | 22 | |
| 4 | J – 1 | -26 | 72E | 261 | 69E | 23 | |
| 5 | H – 23 | -17 | 04E | 329 | 01E | 16 | |
| 6 | H – 8 | -35 | 64W | 37 | 67W | 2 | |
| 7 | J – 2 | -20 | 64W | 37 | 67W | 3 | |
| 8 | H – 2 | 12 | 58W | 31 | 61W | 1 | |
| 9 | A – 1 | 15 | 78W | 51 | 81W | 18 | |
| 10 | E – 33 | 10 | 13W | 346 | 16W | 20 | |
| 11 | C – 10 | 24 | 10W | 343 | 13W | 19 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.