Daily Sunspot Evaluation
Observation Sheet Friday, 8 June 1990
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)
- 11
- Number of spots (f)
- 62
- Relative number (R)
- 172
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19900608.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 0 | 11E | 31 | 08E | 1 | 233 |
| 2 | DAC – 36 | 8 | 18E | 24 | 15E | 7.5 | 229 |
| 3 | AX – 1 | 16 | 21E | 21 | 18E | - | 232 |
| 4 | AX – 2 | 23 | 24E | 18 | 21E | 2 | 236 |
| 5 | AX – 2 | 25 | 75E | 327 | 72E | 1 | 237 |
| 6 | AX – 5 | -12 | 37W | 79 | 40W | 3.5 | 235 |
| 7 | BXO – 6 | -6 | 25W | 67 | 28W | 8.5 | 230 |
| 8 | AX – 1 | -18 | 00 | 42 | 03W | - | 231 |
| 9 | AX – 2 | -10 | 28E | 14 | 23E | 2 | 239 |
| 10 | AX – 2 | -13 | 64E | 338 | 61E | 1 | 238 |
| 11 | BXI – 3 | -19 | 71E | 331 | 68E | 6 | 240 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.