Daily Sunspot Evaluation
Observation Sheet Friday, 14 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)
- 6
- Number of spots (f)
- 36
- Relative number (R)
- 96
- Observer
- AT
- Reading
- all checks consistent
- File
- 19690314.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 4 | 16 | 74E | 99 | |||
| 2 | B – 19 | -16 | 45E | 128 | |||
| 3 | J – 2 | -8 | 01W | 174 | |||
| 4 | J – 3 | 8 | 27W | 200 | |||
| 5 | A – 1 | 19 | 37W | 210 | |||
| 6 | C – 7 | 31 | 04W | 177 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.