Daily Sunspot Evaluation
Observation Sheet Friday, 10 July 1992
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)
- 8
- Number of spots (f)
- 82
- Relative number (R)
- 162
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19920710.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FKC – 12 | 14 | 66W | 116 | 69W | 18 | 252 |
| 2 | CRO – 4 | 5 | 38W | 88 | 41W | 6 | 263 |
| 3 | CRO – 4 | -12 | 22W | 72 | 25W | 4 | 267 |
| 4 | BXI – 4 | 5 | 02E | 48 | 01W | 5 | 266 |
| 5 | EKC – 28 | -12 | 22E | 28 | 19E | 11.5 | 261 |
| 6 | EAC – 26 | -11 | 37E | 13 | 34E | 14 | 262 |
| 7 | ? – 2 | -10 | 75E | 335 | 72E | 3 | 264 |
| 8 | AX – 2 | -24 | 48E | 1 | 46E | 1 | 265 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.