Daily Sunspot Evaluation
Observation Sheet Tuesday, 3 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)
- 10
- Number of spots (f)
- 70
- Relative number (R)
- 170
- Observer
- FA
- Reading
- all checks consistent
- File
- 19780103.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 8 | 37 | 25E | 164 | 23E | ||
| 2 | A – 2 | 30 | 33E | 156 | 31E | ||
| 3 | B – 3 | 25 | 50E | 139 | 48E | ||
| 4 | A – 3 | 19 | 51E | 138 | 49E | ||
| 5 | A – 2 | 17 | 72E | 117 | 70E | ||
| 6 | A – 1 | -22 | 38E | 151 | 36E | ||
| 7 | C – 23 | -19 | 11E | 178 | 09E | 1 | |
| 8 | H – 7 | -18 | 15W | 204 | 17W | 2 | |
| 9 | E – 19 | 20 | 49W | 238 | 51W | 3 | |
| 10 | A – 2 | 20 | 61W | 250 | 63W | 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.