Daily Sunspot Evaluation
Observation Sheet Sunday, 2 August 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)
- 6
- Number of spots (f)
- 9
- Relative number (R)
- 69
- Observer
- YK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19980802.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 3 | 31 | 63W | 50 | 66W | 3.5 | 155 |
| 2 | HA – 1 | 25 | 02E | 245 ⚠ | 01W | 1.5 | 156 |
| 3 | HR – 1 | 15 | 47E | 300 | 44E | 0.5 | 161 |
| 4 | HH – 1 | -24 | 71W | 58 | 74W | 0.0 | 151 |
| 5 | HA – 1 | -28 | 93E | 314 ⚠ | 30E | 1.0 | 160 |
| 6 | ? – 2 | -22 | 80E | 267 | 77E | ? | 143 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.