Daily Sunspot Evaluation
Observation Sheet Saturday, 7 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)
- 6
- Number of spots (f)
- 56
- Relative number (R)
- 116
- Observer
- GT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19781007.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 6 | 23 | 23E | 103 ⚠ | 27E | ||
| 2 | J – 1 | 19 | 66E | 66 | 64E | ||
| 3 | ? – 5 | -17 | 71E | 61 | 69E | ||
| 4 | E – 39 | -14 | 24W | 156 | 26W | ||
| 5 | A – 3 | 14 | 08W | 140 | 10W | ||
| 6 | J – 2 | 17 | 02W | 134 | 04W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.