Daily Sunspot Evaluation
Observation Sheet Monday, 10 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)
- 8
- Number of spots (f)
- 54
- Relative number (R)
- 134
- Observer
- HM
- Reading
- all checks consistent
- File
- 19780710.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 26 | 61E | 168 | 58E | ||
| 2 | F – 11 | 19 | 62E | 167 | 59E | ||
| 3 | A – 1 | -25 | 48E | 181 | 45E | ||
| 4 | C – 11 | -18 | 30E | 199 | 27E | ||
| 5 | E – 21 | -20 | 10W | 239 | 13W | ||
| 6 | B – 3 | -31 | 28W | 257 | 31W | ||
| 7 | J – 2 | 18 | 54W | 283 | 57W | ||
| 8 | C – 4 | 19 | 37W | 266 | 40W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.