Daily Sunspot Evaluation
Observation Sheet Thursday, 14 June 1990
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)
- 9
- Number of spots (f)
- 60
- Relative number (R)
- 150
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19900614.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXI – 3 | 15 | 64W | 27 | 67W | 5 | 251 |
| 2 | EKI – 13 | 10 | 63W | 26 | 66W | 12 | 229 |
| 3 | EAO – 14 | 24 | 55W | 18 | 58W | 14 | 236 |
| 4 | AX – 3 | 29 | 04E | 319 | 01E | 2 | 254 |
| 5 | AX – 3 | 16 | 16E | 307 | 13E | 1 | 246 |
| 6 | HA – 4 | 6 | 43E | 280 | 40E | 4 | 252 |
| 7 | CHO – 12 | -15 | 10E | 313 | 07E | 7 | 241 |
| 8 | CAI – 7 | -32 | 41E | 282 | 38E | 8 | 259 |
| 9 | HA – 1 | -11 | 63E | 260 | 60E | 2 | 253 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.