Daily Sunspot Evaluation
Observation Sheet Sunday, 14 May 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)
- 75
- Relative number (R)
- 165
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19890514.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 13 | 27 | 20W | 170 | 23W | 6 | |
| 2 | HK – 7 | 8 | 09E | 141 | 06E | 4.5 | |
| 3 | BXO – 4 | 17 | 33E | 117 | 30E | 5 | |
| 4 | CAO – 11 | 16 | 45E | 105 | 42E | 11 | |
| 5 | DAO – 9 | 15 | 63E | 87 | 60E | 10 | |
| 6 | CAO – 14 | -32 | 45W | 195 | 48W | 16 | |
| 7 | CAI – 13 | -20 | 10W | 160 | 13W | 9.5 | |
| 8 | HA – 2 | -10 | 29E | 121 | 26E | 1 | |
| 9 | AA – 2 | -12 | 36E | 114 | 33E | 0.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.