Daily Sunspot Evaluation
Observation Sheet Monday, 10 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)
- 73
- Relative number (R)
- 133
- Observer
- MB
- Reading
- all checks consistent
- File
- 19980810.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CKO – 8 | 19 | 14W | 255 | 17W | 5.5 | 168 |
| 2 | CKO – 6 | 29 | 35E | 206 | 32E | 11 | 164 |
| 3 | DKO – 7 | 15 | 49E | 192 | 46E | 12 | 165 |
| 4 | FKC – 44 | -22 | 22W | 263 | 25E | 19.5 | 163 |
| 5 | BXO – 6 | -30 | 04W | 245 | 07W | 05 | 140 |
| 6 | ? – 2 | -21 | 72E | 169 | 69E | 15 | 131 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.