Daily Sunspot Evaluation
Observation Sheet Sunday, 6 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)
- 6
- Number of spots (f)
- 34
- Relative number (R)
- 94
- Observer
- HM
- Reading
- all checks consistent
- File
- 19780806.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 20 | 67E | 165 | 63E | ||
| 2 | A – 1 | 17 | 74E | 158 | 70E | ||
| 3 | C – 13 | -25 | 60E | 172 | 56E | ||
| 4 | D – 14 | -24 | 36W | 268 | 40W | ||
| 5 | J – 2 | 17 | 43W | 275 | 47W | ||
| 6 | A – 2 | 35 | 42W | 274 | 46W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.