Daily Sunspot Evaluation
Observation Sheet Saturday, 24 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)
- 11
- Number of spots (f)
- 106
- Relative number (R)
- 216
- Observer
- HM
- Reading
- all checks consistent
- File
- 19780624.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 26 | 17E | 64 | 14E | ||
| 2 | E – 21 | 18 | 19E | 62 | 16E | ||
| 3 | J – 9 | 29 | 23E | 58 | 20E | ||
| 4 | D – 13 | 27 | 48E | 33 | 45E | ||
| 5 | F – 35 | -16 | 37E | 44 | 34E | ||
| 6 | A – 3 | -18 | 20W | 101 | 23W | ||
| 7 | C – 7 | -29 | 30W | 111 | 33W | ||
| 8 | G – 4 | 7 | 57W | 138 | 60W | ||
| 9 | J – 2 | 12 | 78W | 159 | 81W | ||
| 10 | C – 6 | 10 | 15W | 96 | 18W | ||
| 11 | C – 4 | 19 | 01W | 85 | 07W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.