Daily Sunspot Evaluation
Observation Sheet Monday, 8 May 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)
- 149
- Relative number (R)
- 279
- Observer
- HÇ
- Reading
- all checks consistent
- File
- 19890508.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAI – 27 | 30 | 28W | 257 | 30W | 12 | |
| 2 | BRO – 8 | 12 | 18E | 211 | 16E | 4.5 | |
| 3 | DAI – 20 | 16 | 20E | 209 | 18E | 4 | |
| 4 | DAI – 16 | 9 | 23E | 206 | 21E | 7 | |
| 5 | CAO – 11 | 27 | 63E | 166 | 61E | 7.5 | |
| 6 | AX – 1 | 15 | 64E | 165 | 62E | - | |
| 7 | ? – 4 | -20 | 77W | 306 | 79W | 4 | |
| 8 | CAI – 12 | -22 | 55W | 284 | 57W | 5 | |
| 9 | AX – 1 | -22 | 11W | 240 | 13W | - | |
| 10 | AX – 5 | -21 | 03W | 232 | 05W | 1 | |
| 11 | EAI – 38 | -30 | 35E | 194 | 33E | 12.5 | |
| 12 | HA – 4 | -20 | 72E | 157 | 70E | 3 | |
| 13 | AX – 2 | -23 | 72E | 157 | 70E | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.