Daily Sunspot Evaluation
Observation Sheet Tuesday, 9 March 1999
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)
- 7
- Number of spots (f)
- 32
- Relative number (R)
- 102
- Observer
- HE
- Reading
- counts consistent, some coordinates doubtful
- File
- 19990309.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 5 | 22 | 65E | 235 ⚠ | 64E | 9 | |
| 2 | HA – 1 | 18 | 63E | 235 ⚠ | 62E | 0.5 | |
| 3 | CRO – 5 | -20 | 39W | 17 | 40W | 9 | CAO-5 |
| 4 | CSI – 16 | -29 | 24W | 2 | 25W | 6 | |
| 5 | AX – 1 | -24 | 19W | 357 | 20W | - | |
| 6 | AR – 1 | -27 | 18W | 356 | 19W | 0.1 | Hr |
| 7 | ? – 3 | -23 | 75E | 263 | 74E | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.