Daily Sunspot Evaluation
Observation Sheet Thursday, 9 March 2000
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)
- 11
- Number of spots (f)
- 116
- Relative number (R)
- 226
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20000309.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 8 | 23 | 10W | 198 | 15W | 0.6 | |
| 2 | CAO – 3 | -12 | 40W | 229 | 44W | 0.5 | |
| 3 | EAC – 33 | -13 | 45W | 231 | 46W | 15 | |
| 4 | EHC – 31 | -19 | 11W | 199 | 19W | 11 | |
| 5 | DAE – 7 | -12 | 06E | 182 | 05E | 7.5 | |
| 6 | HA – 3 | -18 | 15E | 175 | 12E | 2 | |
| 7 | AX – 4 | -7 | 17E | 171 | 14E | 0.2 | |
| 8 | HR – 1 | -15 | 24E | 164 | 21E | 0.5 | |
| 9 | HR – 3 | -18 | 46E | 142 | 45E | 2.5 | |
| 10 | EKC – 22 | -13 | 66E | 122 | 65E | 12 | |
| 11 | ? – 1 | -22 | 82E | 106 | 79E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.