Daily Sunspot Evaluation
Observation Sheet Sunday, 4 June 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)
- 32
- Relative number (R)
- 92
- Observer
- HM
- Reading
- all checks consistent
- File
- 19780604.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 19 | 62E | 284 | 58E | ||
| 2 | D – 7 | -22 | 07E | 339 | 03E | ||
| 3 | D – 9 | -26 | 21W | 7 | 25W | ||
| 4 | A – 1 | -18 | 73W | 59 | 77W | ||
| 5 | ? – 1 | 22 | 77W | 63 | 81W | ||
| 6 | D – 13 | 21 | 52W | 38 | 56W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.