Daily Sunspot Evaluation
Observation Sheet Saturday, 5 May 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)
- 6
- Number of spots (f)
- 34
- Relative number (R)
- 94
- Observer
- HE
- Reading
- all checks consistent
- File
- 19900505.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 20 | 32W | 162 | 33W | 1.5 | 183 |
| 2 | FKC – 19 | 17 | 52E | 78 | 51E | 15.5 | 188 |
| 3 | AX – 2 | -9 | 68W | 198 | 69W | 2 | 189 |
| 4 | HA – 1 | -13 | 16E | 114 | 15E | 2 | 185 |
| 5 | BXO – 3 | -12 | 39E | 91 | 38E | 5 | 191 |
| 6 | BAO – 8 | -12 | 53E | 77 | 52E | 8.5 | 190 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.