Daily Sunspot Evaluation
Observation Sheet Thursday, 29 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)
- 15
- Relative number (R)
- 75
- Observer
- TA
- Reading
- all checks consistent
- File
- 19981029.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CSO – 4 | 18 | 14E | 251 | 11E | 6.5 | 254 255 |
| 2 | BXO – 2 | 20 | 25E | 240 | 22E | 4 | 255 254 |
| 3 | ? – 2 | 18 | 82E | 183 | 79E | ? | 256 255 |
| 4 | CRO – 4 | -21 | 32E | 233 | 29E | 4 | 257 256 |
| 5 | AX – 1 | -24 | 65E | 200 | 62E | ? | 258 257 |
| 6 | ? – 2 | -18 | 76E | 189 | 73E | ? | 259 258 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.