Daily Sunspot Evaluation
Observation Sheet Saturday, 30 August 1997
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)
- 2
- Number of spots (f)
- 46
- Relative number (R)
- 66
- Observer
- TA
- Reading
- all checks consistent
- File
- 19970830.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 8 | 18 | 22W | 136 | 24W | 4 | 62 |
| 2 | EAR – 38 | 29 | 08E | 106 | 06E | 14 | 63 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.