Daily Sunspot Evaluation
Observation Sheet Wednesday, 2 July 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)
- 10
- Number of spots (f)
- 48
- Relative number (R)
- 148
- Observer
- SM
- Reading
- all checks consistent
- File
- 19690702.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 19 | 07E | 152 | |||
| 2 | J – 1 | 16 | 33E | 126 | |||
| 3 | H – 2 | 11 | 65E | 94 | |||
| 4 | A – 1 | 10 | 53E | 106 | |||
| 5 | C – 5 | 7 | 58E | 101 | |||
| 6 | A – 1 | 6 | 33E | 126 | |||
| 7 | G – 3 | -14 | 60E | 99 | |||
| 8 | H – 4 | -17 | 68E | 91 | |||
| 9 | E – 26 | -10 | 17W | 176 | |||
| 10 | A – 3 | 13 | 54W | 213 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.