Daily Sunspot Evaluation
Observation Sheet Tuesday, 15 June 1999
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)
- 12
- Number of spots (f)
- 70
- Relative number (R)
- 190
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19990615.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 29 | 85W | 210 | 88W | ? | |
| 2 | HA – 1 | 19 | 75W | 200 | 78W | 3 | Hk-1 |
| 3 | EAC – 9 | 19 | 62W | 187 | 65W | 15 | Ekc-9 |
| 4 | EAC – 25 | 26 | 11W | 136 | 14W | 11 | |
| 5 | AX – 1 | 18 | 15E | 110 | 12E | 0.5 | |
| 6 | DSO – 6 | 36 | 50E | 75 | 49E | 7 | Dho-6 |
| 7 | HR – 1 | -15 | 62W | 187 | 65W | 1.5 | Ho-1 |
| 8 | AX – 1 | -21 | 60W | 185 | 63W | 0.5 | |
| 9 | DAC – 4 | -30 | 55W | 180 | 58W | 8 | Dao-4 |
| 10 | HK – 9 | -20 | 02W | 127 | 05W | 5 | |
| 11 | DAC – 11 | -12 | 26E | 99 | 23E | 10 | Dao-11 |
| 12 | AF – 1 | -22 | 30(E) | 95 | 24(E) | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.