Daily Sunspot Evaluation
Observation Sheet Friday, 30 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)
- 24
- Relative number (R)
- 84
- Observer
- TA
- Reading
- all checks consistent
- File
- 19981030.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 2 | 18 | 02W | 254 | 05W | 1 | 254 253 |
| 2 | BYO – 10 | 20 | 14E | 238 | 11E | 2 | 255 254 |
| 3 | CKO – 5 | 17 | 69E | 183 | 66E | 5 | 256 255 |
| 4 | CRO – 3 | -22 | 17E | 235 | 14E | 4 | 254 256 |
| 5 | HR – 3 | -24 | 52E | 200 | 49E | 1.5 | 258 257 |
| 6 | HA – 1 | -18 | 63E | 189 | 60E | 2 | 255 254 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.