Daily Sunspot Evaluation
Observation Sheet Wednesday, 14 March 1990
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)
- 7
- Number of spots (f)
- 31
- Relative number (R)
- 101
- Observer
- HE
- Reading
- all checks consistent
- File
- 19900314.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BRO – 3 | 10 | 45W | 143 | 48W | 3 | 104 |
| 2 | HK – 8 | 19 | 02W | 100 | 05W | 3.5 | 106 |
| 3 | CKI – 15 | 32 | 25E | 73 | 22E | 9 | 108 |
| 4 | HA – 1 | 4 | 72E | 26 | 69E | 2 | 113 |
| 5 | ? – 1 | -12 | 80W | 178 | 83W | 2 | 103 |
| 6 | ? – 2 | -35 | 80E | 18 | 77E | 9 | 114 |
| 7 | ? – 1 | -21 | 80E | 18 | 77E | 2 | 115 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.