Daily Sunspot Evaluation
Observation Sheet Sunday, 30 August 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)
- 3
- Number of spots (f)
- 22
- Relative number (R)
- 52
- Observer
- MB
- Reading
- all checks consistent
- File
- 19920830.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 1 | 6 | 77W | 173 | 80W | - | 32 |
| 2 | CRI – 14 | 2 | 20W | 116 | 23W | NOS | 311 |
| 3 | CRI – 7 | -10 | 63E | 33 | 60E | ~55 | 313 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.