Daily Sunspot Evaluation
Observation Sheet Wednesday, 4 October 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)
- 39
- Relative number (R)
- 149
- Observer
- GA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19781004.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 31 | 04E | 168 | 01E | ||
| 2 | C – 3 | 31 | 15E | 157 | 12E | ||
| 3 | A – 1 | 28 | 31E | 141 | 28E | ||
| 4 | A – 2 | 16 | 30E | 142 | 27E | ||
| 5 | D – 7 | -8 | 14E | 158 | 11E | ||
| 6 | H – 12 | -11 | 16E | 156 | 13E | ||
| 7 | A – 3 | -14 | 21E | 151 | 18E | ||
| 8 | A – 2 | -19 | 13W | 185 | 16W | ||
| 9 | J – 2 | -23 | 25W | 197 | 28W | ||
| 10 | A – 1 | -20 | 70W | 212 ⚠ | 73W | ||
| 11 | H – 4 | 16 | 44W | 216 | 47W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.