Daily Sunspot Evaluation
Observation Sheet Tuesday, 14 January 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)
- 9
- Number of spots (f)
- 72
- Relative number (R)
- 162
- Observer
- AT
- Reading
- all checks consistent
- File
- 19690114.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 7 | 37E | 193 | |||
| 2 | J – 1 | 14 | 83E | 147 | |||
| 3 | J – 1 | -14 | 54E | 176 | |||
| 4 | E – 52 | -15 | 25W | 255 | |||
| 5 | J – 3 | -9 | 52W | 282 | |||
| 6 | G – 2 | 4 | 67W | 297 | |||
| 7 | J – 1 | 23 | 70W | 300 | |||
| 8 | A – 7 | 11 | 28W | 258 | |||
| 9 | J – 2 | 20 | 45W | 275 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.