Daily Sunspot Evaluation
Observation Sheet Wednesday, 7 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)
- 4
- Number of spots (f)
- 12
- Relative number (R)
- 52
- Observer
- GA
- Reading
- all checks consistent
- File
- 19780607.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 18 | 20E | 286 | 17E | ||
| 2 | A – 1 | -21 | 32W | 338 | 35W | ||
| 3 | G – 5 | -27 | 62W | 8 | 65W | ||
| 4 | B – 4 | -17 | 29W | 335 | 32W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.