Daily Sunspot Evaluation
Observation Sheet Wednesday, 10 April 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)
- 12
- Number of spots (f)
- 95
- Relative number (R)
- 215
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20020410.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 1 | 83W | 294 | 86W | ? | |
| 2 | FKC – 41 | 19 | 00 | 211 | 03W | 23 | |
| 3 | DSO – 9 | 18 | 32E | 179 | 29E | 5.5 | |
| 4 | HS – 1 | 11 | 46E | 165 | 43E | ~1.5 | |
| 5 | CAO – 5 | 20 | 56E | 155 | 53E | 3.5 | |
| 6 | DAO – 2 | 15 | 57E | 154 | 54E | ~8 | |
| 7 | HA – 1 | -4 | 51W | 262 | 54W | 0.5 | |
| 8 | EAI – 20 | -30 | 22W | 233 | 25W | ~12 | |
| 9 | CAO – 7 | -17 | 11W | 222 | 14W | 3.5 | |
| 10 | HA – 5 | -16 | 13E | 198 | 10E | 2.5 | |
| 11 | HS – 1 | -11 | 17E | 194 | 14E | 1.5 | |
| 12 | AX – 2 | -19 | 21E | 190 | 18E | 0.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.