Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 December 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)
- 76
- Relative number (R)
- 176
- Observer
- GA
- Reading
- all checks consistent
- File
- 19781227.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 19 | 12 | 18E | 125 | 18E | 13 | |
| 2 | D – 14 | -14 | 49E | 94 | 49E | 10 | |
| 3 | A – 1 | -24 | 46E | 97 | 46E | ||
| 4 | C – 11 | -27 | 45E | 98 | 45E | 11 | |
| 5 | D – 3 | -11 | 14W | 157 | 14W | ||
| 6 | B – 3 | -23 | 46W | 189 | 46W | ||
| 7 | J – 1 | -21 | 46W | 189 | 46W | ||
| 8 | ? – 2 | 10 | 75W | 218 | 75W | ||
| 9 | C – 11 | 11 | 26W | 169 | 26W | ||
| 10 | B – 11 | 19 | 35W | 178 | 35W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.