Daily Sunspot Evaluation
Observation Sheet Saturday, 11 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)
- 9
- Number of spots (f)
- 101
- Relative number (R)
- 191
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19920711.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 5 | 14 | 77W | 114 | 80W | - | 252 |
| 2 | AX – 2 | 20 | 51E | 346 | 48E | 1.5 | 269 |
| 3 | ? – 1 | 10 | 79E | 318 | 76E | - | 268 |
| 4 | CRO – 2 | -15 | 52W | 89 | 55W | 8 | 263 |
| 5 | CRO – 3 | -12 | 36W | 73 | 39W | 5 | 267 |
| 6 | EHC – 44 | -12 | 09E | 28 | 06E | 12.5 | 261 E |
| 7 | EAC – 39 | -11 | 24E | 13 | 21E | 15 | 262 |
| 8 | HA – 3 | -24 | 34E | 3 | 31E | 1 | 265 |
| 9 | HS – 2 | -11 | 61E | 336 | 58E | 2 | 264 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.