Daily Sunspot Evaluation
Observation Sheet Tuesday, 30 March 1993
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)
- 55
- Relative number (R)
- 85
- Observer
- MB
- Reading
- all checks consistent
- File
- 19930330.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAI – 36 | 6 | 24E | 158 | 20E | 12.5 | 79 |
| 2 | CAO – 13 | -12 | 43E | 136 | 42E | 6.5 | 81 |
| 3 | DAO – 6 | -6 | 73E | 106 | 72E | 0.7 | 82 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.