Daily Sunspot Evaluation
Observation Sheet Wednesday, 14 May 1969
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)
- 13
- Number of spots (f)
- 99
- Relative number (R)
- 229
- Observer
- AT
- Reading
- all checks consistent
- File
- 19690514.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 8 | 17 | 08E | 80 | |||
| 2 | A – 3 | 18 | 15E | 73 | |||
| 3 | A – 6 | 13 | 15E | 73 | |||
| 4 | A – 6 | 17 | 23E | 65 | |||
| 5 | A – 4 | 20 | 32E | 56 | |||
| 6 | A – 4 | 13 | 23E | 65 | |||
| 7 | C – 7 | -9 | 07E | 81 | |||
| 8 | B – 5 | -16 | 10W | 95 | |||
| 9 | C – 5 | -12 | 51W | 139 | |||
| 10 | G – 19 | -6 | 13W | 101 | |||
| 11 | B – 8 | 8 | 18W | 106 | |||
| 12 | B – 12 | 10 | 05W | 93 | |||
| 13 | B – 12 | 19 | 10W | 98 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.