Daily Sunspot Evaluation
Observation Sheet Thursday, 14 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)
- 9
- Number of spots (f)
- 86
- Relative number (R)
- 176
- Observer
- GA
- Reading
- all checks consistent
- File
- 19781214.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 21 | 81E | 235 | 78E | ||
| 2 | J – 5 | -23 | 45E | 271 | 42E | ||
| 3 | B – 4 | -12 | 12E | 304 | 09E | ||
| 4 | D – 5 | -17 | 01E | 315 | 02W | ||
| 5 | E – 28 | -15 | 13W | 329 | 16W | ||
| 6 | B – 8 | -20 | 31W | 347 | 34W | ||
| 7 | J – 2 | -26 | 78W | 34 | 81W | ||
| 8 | J – 5 | -20 | 81W | 37 | 84W | ||
| 9 | E – 28 | 20 | 24W | 340 | 27W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.