Daily Sunspot Evaluation
Observation Sheet Thursday, 10 August 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)
- 5
- Number of spots (f)
- 103
- Relative number (R)
- 153
- Observer
- GT
- Reading
- all checks consistent
- File
- 19780810.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 21 | 16 | 03E | 176 | 01W | ||
| 2 | B – 4 | 19 | 07E | 172 | 03E | ||
| 3 | B – 2 | 22 | 12E | 167 | 08E | ||
| 4 | A – 3 | -6 | 10E | 169 | 06E | ||
| 5 | F – 73 | -27 | 08E | 171 | 04E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.