Daily Sunspot Evaluation
Observation Sheet Sunday, 16 March 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)
- 8
- Relative number (R)
- 28
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19970316.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 7 | 49W | 210 | 51W | 1.5 | 12 |
| 2 | BXO – 6 | -5 | 38W | 199 | 40W | 5 | 14 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.