Daily Sunspot Evaluation
Observation Sheet Tuesday, 6 October 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)
- 30
- Relative number (R)
- 90
- Observer
- SB0
- Reading
- all checks consistent
- File
- 19981006.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAO – 15 | 17 | 24E | 185 | 21E | 12 | 231 240 |
| 2 | ? – 2 | 17 | 77E | 132 | 74E | ? | 235 254 |
| 3 | BXO – 7 | -24 | 30W | 239 | 33W | 3.5 | 230 229 |
| 4 | AX – 4 | -20 | 22E | 187 | 19E | 3 | 236 325 |
| 5 | AX – 1 | -11 | 30E | 179 | 27E | - | 242 286 |
| 6 | AY – 1 | -13 | 39E | 170 | 36E | - | 208 334 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.