Daily Sunspot Evaluation
Observation Sheet Sunday, 1 March 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)
- 39
- Relative number (R)
- 99
- Observer
- TA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19980301.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 6 | 15 | 56W | 298 ⚠ | 59W | 8.5 | 36 |
| 2 | AX – 1 | 20 | 14E | 208 | 11E | 0.5 | 42 |
| 3 | DAO – 8 | -22 | 64W | 286 | 67W | -7.5 | 40 |
| 4 | CRO – 5 | -27 | 36W | 258 | 39W | 4.5 | 38 |
| 5 | DAI – 18 | -25 | 13W | 235 | 16W | 8 | 41 |
| 6 | AX – 1 | -18 | 80E | 142 | 77E | - | 43 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.