Daily Sunspot Evaluation
Observation Sheet Tuesday, 9 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)
- 12
- Number of spots (f)
- 96
- Relative number (R)
- 216
- Observer
- SG0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19890509.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 11 | 29 | 40W | 253 ⚠ | 43W | 12 | 217 |
| 2 | CAI – 5 | 13 | 04E | 213 | 01E | 4.5 | 216 |
| 3 | DAI – 14 | 16 | 08E | 209 | 05E | 5 | 217 |
| 4 | DAO – 10 | 9 | 09E | 208 | 06E | 8.5 | 218 |
| 5 | CKI – 12 | 27 | 50E | 167 | 47E | 10 | 219 |
| 6 | ? – 3 | 9 | 80E | 137 | 77E | 7 | 220 |
| 7 | DAO – 6 | -23 | 66W | 283 | 69W | 6.5 | 221 |
| 8 | AX – 1 | -18 | 20W | 237 | 23W | - | 224 |
| 9 | AX – 1 | -21 | 14W | 231 | 17W | - | 203 |
| 10 | EAC – 26 | -30 | 22E | 195 | 19E | 13 | 227 |
| 11 | DAI – 6 | -20 | 60E | 157 | 57E | 4 | 228 |
| 12 | AX – 1 | -24 | 64E | 153 | 61E | - | 229 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.