Daily Sunspot Evaluation
Observation Sheet Thursday, 3 September 1998
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)
- 5
- Number of spots (f)
- 42
- Relative number (R)
- 92
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19980903.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 6 | 120 | 83W | 8 | 86W | - | 188 |
| 2 | CAI – 5 | 22 | 69W | 354 | 72W | 7 | 195 |
| 3 | ? – 2 | 15 | 83E | 202 | 80E | - | 200 |
| 4 | ? – 1 | 20 | 86E | 197 | 83E | - | 20261 |
| 5 | FKC – 28 | -23 | 12E | 273 | 09E | 16 | 197 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.