Daily Sunspot Evaluation
Observation Sheet Friday, 28 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)
- 7
- Number of spots (f)
- 58
- Relative number (R)
- 128
- Observer
- NA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19980828.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 17 | 67W | 70 | 67W | 181 | |
| 2 | DSO – 11 | 33 | 30W | 33 | 32W | 5.5 | 184 |
| 3 | DAC – 36 | 19 | 06W | 9 | 08W | 10 | 188 |
| 4 | AX – 1 | 25 | 04E | 359 | 02E | 184 | |
| 5 | DAO – 7 | 22 | 11E | 352 | 09E | 5 | 195 |
| 6 | HA – 1 | 32 | 94E | 289 ⚠ | 72E | 3 | 192 |
| 7 | HS – 1 | -22 | 50W | 53 | 52W | 2 | 183 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.