Daily Sunspot Evaluation
Observation Sheet Sunday, 14 July 1968
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)
- 109
- Relative number (R)
- 199
- Observer
- AT
- Reading
- all checks consistent
- File
- 19680714.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 27 | 53E | 85 | |||
| 2 | H – 13 | 13 | 46E | 92 | |||
| 3 | H – 1 | -15 | 27E | 111 | |||
| 4 | A – 1 | -29 | 20E | 118 | |||
| 5 | B – 5 | -17 | 11W | 149 | |||
| 6 | J – 2 | -16 | 44W | 182 | |||
| 7 | F – 77 | 11 | 19W | 157 | |||
| 8 | H – 4 | 11 | 47W | 185 | |||
| 9 | H – 5 | 29 | 17W | 155 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.