Daily Sunspot Evaluation
Observation Sheet Tuesday, 26 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)
- 12
- Relative number (R)
- 32
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19970826.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CEI – 10 | 28 | 61E | 106 | 57E | 7 | 63 |
| 2 | AX – 2 | -22 | 56E | 111 | 53E | 1 | 64 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.