Daily Sunspot Evaluation
Observation Sheet Saturday, 9 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)
- 6
- Number of spots (f)
- 36
- Relative number (R)
- 96
- Observer
- HE
- Reading
- all checks consistent
- File
- 19900609.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 0 | 01W | 30 | 04W | 1 | 233 |
| 2 | DAC – 27 | 8 | 05E | 24 | 02E | 7.5 | 229 |
| 3 | AX – 2 | 25 | 61E | 328 | 58E | - | 237 |
| 4 | AR – 3 | -12 | 51W | 80 | 54W | 3 | 235 |
| 5 | AX – 1 | -19 | 55E | 334 | 52E | - | 240 |
| 6 | HH – 1 | -14 | 73E | 316 | 70E | 4 | 241 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.