Daily Sunspot Evaluation
Observation Sheet Saturday, 11 May 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)
- 13
- Number of spots (f)
- 84
- Relative number (R)
- 214
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20020511.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 17 | 58W | 220 | 61W | ||
| 2 | DAO – 5 | 16 | 15W | 177 | 18W | ||
| 3 | AX – 1 | -23 | 63W | 225 | 66W | ||
| 4 | HS – 1 | -20 | 56W | 218 | 59W | ||
| 5 | EKCC – 20 | -18 | 49W | 211 | 52W | ||
| 6 | DKCC – 16 | -10 | 27W | 189 | 30W | ||
| 7 | HS – 1 | -7 | 25W | 187 | 28W | ||
| 8 | HR – 1 | -11 | 10W | 172 | 13W | ||
| 9 | HS – 4 | -18 | 02E | 160 | 01W | ||
| 10 | AX – 1 | -12 | 07E | 155 | 04E | ||
| 11 | AX – 2 | -16 | 15E | 147 | 12E | ||
| 12 | FKI – 28 | -5 | 29E | 133 | 26E | ||
| 13 | ESO – 3 | -22 | 75E | 87 | 72E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.