Daily Sunspot Evaluation
Observation Sheet Thursday, 29 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)
- 6
- Number of spots (f)
- 99
- Relative number (R)
- 159
- Observer
- GT
- Reading
- all checks consistent
- File
- 19780629.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 3 | 19 | 30E | 344 | 28E | ||
| 2 | G – 3 | 22 | 54E | 320 | 52E | ||
| 3 | E – 48 | -21 | 33W | 47 | 35W | ||
| 4 | E – 22 | 17 | 51W | 65 | 53W | ||
| 5 | D – 6 | 25 | 43W | 57 | 45W | ||
| 6 | E – 17 | 23 | 19W | 33 | 21W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.