Daily Sunspot Evaluation
Observation Sheet Friday, 4 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)
- 26
- Relative number (R)
- 86
- Observer
- HM
- Reading
- all checks consistent
- File
- 19780804.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 4 | -17 | 55E | 203 | 52E | ||
| 2 | A – 3 | -22 | 02W | 260 | 05W | ||
| 3 | C – 10 | -22 | 11W | 269 | 14W | ||
| 4 | A – 2 | 24 | 50W | 308 | 53W | ||
| 5 | J – 1 | 18 | 16W | 274 | 19W | ||
| 6 | J – 6 | 35 | 18W | 276 | 21W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.