Daily Sunspot Evaluation
Observation Sheet Friday, 14 June 1991
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)
- 123
- Relative number (R)
- 253
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19910614.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKC – 32 | 32 | 58W | 243 | 61W | 15 | 271 |
| 2 | AR – 5 | 11 | 24W | 209 | 27W | 2.5 | 299 |
| 3 | ? – 1 | -2 | 82W | 267 | 85W | 2 | 291 |
| 4 | AX – 3 | -16 | 63W | 248 | 66W | 2.5 | 284 |
| 5 | EAI – 7 | -13 | 61W | 246 | 64W | 13 | 281 |
| 6 | HA – 7 | -19 | 49W | 234 | 52W | 2 | 277 |
| 7 | BXI – 15 | -13 | 25W | 210 | 28W | 5 | 286 |
| 8 | BXI – 17 | -22 | 21W | 206 | 24W | 9 | 252 |
| 9 | AX – 3 | -15 | 16W | 201 | 19W | 1 | 298 |
| 10 | DAO – 4 | -6 | 02W | 187 | 05W | 7 | 236 |
| 11 | BRI – 12 | -21 | 22E | 163 | 19E | 7 | 295 |
| 12 | AR – 4 | -12 | 34E | 151 | 31E | 2 | 300 |
| 13 | BXI – 13 | -28 | 73E | 112 | 70E | 14 | 301 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.