Daily Sunspot Evaluation
Observation Sheet Thursday, 1 January 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
- NA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19980101.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 15 | 46W | 324 | 47W | - | 3 |
| 2 | AX – 3 | 16 | 29W | 307 | 30W | 1° | 2 |
| 3 | HA – 5 | 21 | 28W | 306 | 29W | 3 | 1 |
| 4 | DAI – 16 | -29 | 01W | 279 | 02W | 7 | 4 |
| 5 | HA – 4 | -22 | 66W | 344 | 63W | 4 | 5 |
| 6 | AX – 1 | -23 | 72W | 359 ⚠ | 73W | - | 6 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.