Daily Sunspot Evaluation
Observation Sheet Wednesday, 8 May 1991
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)
- 10
- Number of spots (f)
- 62
- Relative number (R)
- 162
- Observer
- TA
- Reading
- all checks consistent
- File
- 19910508.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 3 | 22 | 34°W | 348 | 36°W | 3° | 214 |
| 2 | DKC – 4 | 29 | 44°E | 270 | 42°E | 9° | 208 |
| 3 | DAO – 11 | 7 | 53°E | 261 | 51°E | 10° | 203 |
| 4 | BRO – 6 | 13 | 57°E | 257 | 55°E | 7.5 | 211 |
| 5 | BRO – 3 | 3 | 63°E | 251 | 61°E | 5° | 212 |
| 6 | ? – 1 | 12 | 80°E | 234 | 78°E | 2.5 | 215 |
| 7 | HS – 2 | -23 | 68°W | 22 | 70°W | 2.5 | 139 |
| 8 | DKC – 28 | -10 | 38°W | 352 | 40°W | 10° | 204 |
| 9 | AR – 3 | -12 | 29°W | 343 | 31°W | 1° | 203 |
| 10 | HA – 1 | -28 | 54°E | 260 | 52°E | 2° | 210 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.