Daily Sunspot Evaluation
Observation Sheet Thursday, 8 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)
- 5
- Number of spots (f)
- 19
- Relative number (R)
- 69
- Observer
- HM
- Reading
- all checks consistent
- File
- 19780608.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 18 | 09E | 286 | 04E | ||
| 2 | B – 6 | -10 | 54E | 239 | 51E | ||
| 3 | D – 6 | -28 | 74W | 7 | 77W | ||
| 4 | A – 1 | -16 | 44W | 337 | 47W | ||
| 5 | B – 5 | 11 | 13W | 306 | 16W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.