Daily Sunspot Evaluation
Observation Sheet Thursday, 23 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)
- 9
- Number of spots (f)
- 134
- Relative number (R)
- 224
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19890323.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKC – 58 | 18 | 23W | 140 | 26W | 12.0 | 132 |
| 2 | CSI – 11 | 13 | 10W | 127 | 13W | 5.5 | 133 |
| 3 | BRI – 6 | 14 | 02W | 119 | 05W | 4.0 | 134 |
| 4 | HS – 1 | 14 | 62E | 55 | 59E | 2.5 | 135 |
| 5 | HS – 1 | -13 | 63W | 180 | 66W | 1.5 | 136 |
| 6 | CAI – 13 | -18 | 45W | 162 | 48W | 5.0 | 137 |
| 7 | AX – 2 | -20 | 33W | 150 | 36W | 0.5 | 138 |
| 8 | EKC – 41 | -27 | 50E | 67 | 47E | 15.0 | 139 |
| 9 | AR – 1 | -17 | 64E | 53 | 61E | 0.5 | 140 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.