Daily Sunspot Evaluation
Observation Sheet Sunday, 3 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)
- 7
- Number of spots (f)
- 37
- Relative number (R)
- 107
- Observer
- YK
- Reading
- all checks consistent
- File
- 19900603.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 2 | 21 | 39W | 148 | 42W | 5 | 221 |
| 2 | CAO – 7 | 14 | 10W | 119 | 13W | 3.5 | 225 |
| 3 | CAO – 5 | 23 | 38E | 71 | 35E | 4 | 228 |
| 4 | ? – 1 | 9 | 88E | 21 | 85E | - | 229 |
| 5 | DAC – 14 | -10 | 60W | 169 | 63W | 9 | 223 |
| 6 | DAO – 4 | -4 | 39E | 70 | 36E | 2.5 | 230 |
| 7 | AX – 4 | -17 | 69E | 40 | 66E | 3.5 | 231 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.