Daily Sunspot Evaluation
Observation Sheet Saturday, 9 May 1992
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)
- 4
- Number of spots (f)
- 32
- Relative number (R)
- 72
- Observer
- YK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19920509.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 16 | 6 | 15W | 166 | 19W | 7 | 192 |
| 2 | DPC – 13 | -28 | 01W | 152 | 00W | 9 | 185 |
| 3 | HA – 1 | -16 | 45E | 156 ⚠ | 41E | 1 | 189 |
| 4 | HA – 2 | -19 | 68E | 83 | 64E | 2 | 194 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.