Daily Sunspot Evaluation
Observation Sheet Tuesday, 23 March 1999
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)
- 4
- Relative number (R)
- 34
- Observer
- TA
- Reading
- all checks consistent
- File
- 19990323.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 28 | 61E | 94 | 58E | 7.5 | |
| 2 | ? – 1 | 16 | 80E | 75 | 77E | - | |
| 3 | HR – 2 | -12 | 50W | 205 | 53W | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.