Daily Sunspot Evaluation
Observation Sheet Tuesday, 27 August 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)
- 5
- Number of spots (f)
- 27
- Relative number (R)
- 77
- Observer
- AT
- Reading
- all checks consistent
- File
- 19680827.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 4 | -12 | 67E | 210 | |||
| 2 | C – 14 | -18 | 35W | 312 | |||
| 3 | A – 1 | 8 | 16W | 293 | |||
| 4 | B – 3 | 20 | 29W | 306 | |||
| 5 | B – 5 | 27 | 70W | 347 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.