Daily Sunspot Evaluation
Observation Sheet Thursday, 14 March 2002
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)
- 10
- Number of spots (f)
- 62
- Relative number (R)
- 162
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20020314.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 2 | 18 | 13W | 220 | 15W | ~2 | |
| 2 | DSI – 12 | 18 | 03E | 204 | 01E | 7.5 | |
| 3 | AX – 2 | -13 | 70W | 277 | 72W | ~1 | |
| 4 | HA – 1 | -5 | 62W | 269 | 64W | ~2.5 | |
| 5 | HR – 1 | -8 | 45W | 252 | 47W | 0.5 | |
| 6 | EKC – 36 | -10 | 17E | 190 | 15E | 14.5 | |
| 7 | HS – 1 | -21 | 29E | 178 | 27E | 2 | |
| 8 | HA – 2 | -19 | 38E | 169 | 36E | 1.5 | |
| 9 | HS – 1 | -22 | 62E | 145 | 60E | ~1 | |
| 10 | ? – 4 | -20 | 67E | 140 | 65E | 9.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.