Daily Sunspot Evaluation
Observation Sheet Sunday, 10 June 1979
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)
- 13
- Number of spots (f)
- 123
- Relative number (R)
- 253
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790610.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 18 | 06E | 123 | 03E | 13 | |
| 2 | E – 30 | 17 | 27E | 102 | 24E | 19 | |
| 3 | A – 2 | 25 | 68E | 61 | 65E | 24 | |
| 4 | E – 15 | -17 | 36E | 93 | 33E | 18 | |
| 5 | A – 1 | -37 | 34W | 163 | 37W | 17 | |
| 6 | E – 21 | -23 | 30W | 159 | 33W | 3 | |
| 7 | H – 6 | -23 | 41W | 170 | 44W | 2 | |
| 8 | J – 3 | -17 | 28W | 157 | 31W | 4 | |
| 9 | H – 6 | 3 | 21W | 150 | 24W | 5 | |
| 10 | H – 7 | 6 | 40W | 169 | 43W | 1 | |
| 11 | ? – 1 | 11 | 84W | 213 | 87W | 298 | |
| 12 | E – 25 | 19 | 52W | 181 | 55W | 301 | |
| 13 | B – 4 | 4 | 08W | 137 | 11W | 22 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.