Daily Sunspot Evaluation
Observation Sheet Wednesday, 4 January 1978
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)
- 76
- Relative number (R)
- 186
- Observer
- FA
- Reading
- all checks consistent
- File
- 19780104.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 9 | 37 | 12E | 165 | 10E | ||
| 2 | B – 4 | 25 | 37E | 140 | 35E | ||
| 3 | B – 3 | 19 | 36E | 141 | 34E | ||
| 4 | B – 4 | 17 | 61E | 116 | 58E | ||
| 5 | A – 1 | -30 | 59E | 118 | 57E | ||
| 6 | C – 16 | -18 | 02W | 179 | 00 | ||
| 7 | H – 10 | -20 | 27W | 204 | 29W | 10 | |
| 8 | A – 3 | -17 | 39W | 216 | 41W | ||
| 9 | E – 22 | 20 | 60W | 237 | 62W | 11 | |
| 10 | A – 3 | 20 | 75W | 252 | 77W | ||
| 11 | A – 1 | 17 | 04W | 181 | 06W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.