Daily Sunspot Evaluation
Observation Sheet Wednesday, 7 June 1989
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)
- 13
- Number of spots (f)
- 121
- Relative number (R)
- 251
- Observer
- MB
- Reading
- all checks consistent
- File
- 19890607.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AR – 1 | 29 | 40W | 233 | 43W | 0.5 | |
| 2 | AX – 3 | 18 | 39W | 232 | 42W | 1 | |
| 3 | AX – 2 | 20 | 30W | 223 | 33W | 2 | |
| 4 | BXO – 6 | 13 | 13W | 206 | 16W | 4 | |
| 5 | AX – 1 | 11 | 18E | 175 | 15E | - | |
| 6 | HS – 4 | 25 | 34E | 159 | 31E | 2 | |
| 7 | AX – 2 | 11 | 39E | 154 | 36E | 2.5 | |
| 8 | AX – 2 | 26 | 65E | 128 | 62E | 1.5 | |
| 9 | EAE – 22 | -19 | 02W | 195 | 05W | 15.5 | |
| 10 | BRI – 13 | -27 | 23E | 170 | 20E | 9.5 | |
| 11 | EKC – 62 | -21 | 34E | 159 | 31E | 12.5 | |
| 12 | AX – 1 | -23 | 48E | 145 | 45E | - | |
| 13 | AR – 2 | -19 | 50E | 143 | 47E | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.