Daily Sunspot Evaluation
Observation Sheet Sunday, 26 May 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)
- 12
- Number of spots (f)
- 43
- Relative number (R)
- 163
- Observer
- SM
- Reading
- all checks consistent
- File
- 19680526.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 17 | 28E | 37 | |||
| 2 | H – 12 | 27 | 50E | 15 | |||
| 3 | J – 1 | 20 | 58E | 7 | |||
| 4 | ? – 1 | 17 | 80E | 345 | |||
| 5 | A – 4 | -18 | 51E | 14 | |||
| 6 | A – 1 | -17 | 7E | 58 | |||
| 7 | B – 2 | -30 | 14W | 79 | |||
| 8 | H – 1 | -29 | 71W | 136 | |||
| 9 | A – 1 | -7 | 12W | 77 | |||
| 10 | E – 8 | -14 | 45W | 110 | |||
| 11 | E – 7 | 25 | 39W | 104 | |||
| 12 | B – 3 | 30 | 22W | 87 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.