Daily Sunspot Evaluation
Observation Sheet Sunday, 23 March 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)
- 8
- Number of spots (f)
- 96
- Relative number (R)
- 176
- Observer
- AT
- Reading
- all checks consistent
- File
- 19690323.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 21 | 08E | 45 | |||
| 2 | D – 28 | -32 | 03W | 56 | |||
| 3 | A – 1 | -20 | 0 | 53 | |||
| 4 | H – 5 | -14 | 09W | 62 | |||
| 5 | G – 3 | -26 | 21W | 74 | |||
| 6 | H – 5 | 14 | 52W | 105 | |||
| 7 | E – 19 | 13 | 40W | 93 | |||
| 8 | F – 34 | 22 | 15W | 68 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.