Daily Sunspot Evaluation
Observation Sheet Saturday, 16 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)
- 8
- Number of spots (f)
- 74
- Relative number (R)
- 154
- Observer
- ED
- Reading
- all checks consistent
- File
- 19790616.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 20 | 23 | 20E | 29 | 19E | 23 | |
| 2 | A – 4 | 27 | 41E | 8 | 38E | 37 | |
| 3 | B – 14 | 15 | 5DE | 359 | 47E | 33 | |
| 4 | E – 15 | -18 | 44W | 93 | 17W | 18 | |
| 5 | B – 5 | -14 | 50W | 99 | 53W | 25 | |
| 6 | J – 1 | 16 | 73W | 122 | 76W | 13 | |
| 7 | E – 13 | 17 | 51W | 100 | 54W | 19 | |
| 8 | B – 2 | 6 | 10W | 59 | 13W | 35 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.