Daily Sunspot Evaluation
Observation Sheet Sunday, 2 July 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)
- 27
- Relative number (R)
- 77
- Observer
- HM
- Reading
- all checks consistent
- File
- 19780702.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 5 | 27 | 08E | 329 | 05E | ||
| 2 | C – 8 | 20 | 55E | 280 | 52E | ||
| 3 | J – 3 | -18 | 43E | 292 | 40E | ||
| 4 | ? – 2 | -22 | 75W | 50 | 78W | ||
| 5 | G – 9 | 22 | 59W | 34 | 62W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.