Daily Sunspot Evaluation
Observation Sheet Monday, 13 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)
- 6
- Number of spots (f)
- 68
- Relative number (R)
- 128
- Observer
- TA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19920713.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 11 | 52E | 317 | 51E | 1 | 268 |
| 2 | CAO – 4 | 24 | 57E | 312 | 56E | 2.5 | 270 |
| 3 | DKC – 25 | -12 | 200 | 29 | 210 | 8.5 | 261 |
| 4 | FKC – 32 | -11 | 05W | 44 ⚠ | 06W | 16 | 262 |
| 5 | CAO – 5 | 24 | 07E | 2 | 06E | 4 | 265 |
| 6 | HS – 1 | -10 | 33E | 336 | 32E | 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.