Daily Sunspot Evaluation
Observation Sheet Wednesday, 22 March 1989
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)
- 10
- Number of spots (f)
- 141
- Relative number (R)
- 241
- Observer
- MB
- Reading
- all checks consistent
- File
- 19890322.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 2 | 24 | 74W | 203 | 76W | 10.0 | |
| 2 | EKC – 56 | 19 | 11W | 140 | 13W | 12.5 | |
| 3 | CAI – 18 | 13 | 02E | 127 | 00 | 8.0 | |
| 4 | CSI – 8 | 15 | 14E | 115 | 12E | 5.0 | |
| 5 | HK – 1 | 14 | 76E | 55 | 72E | 4.0 | |
| 6 | HS – 3 | -15 | 51W | 180 | 53W | 2.5 | |
| 7 | DAI – 20 | -18 | 33W | 162 | 35W | 5.0 | |
| 8 | AX – 3 | -20 | 22W | 151 | 24W | 0.5 | |
| 9 | EKC – 29 | -27 | 62E | 67 | 60E | 14.0 | |
| 10 | AX – 1 | -19 | 78E | 51 | 76E | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.