Daily Sunspot Evaluation
Observation Sheet Sunday, 27 October 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)
- 7
- Number of spots (f)
- 58
- Relative number (R)
- 128
- Observer
- AT
- Reading
- all checks consistent
- File
- 19681027.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 10 | 28 | 38°E | 153 | |||
| 2 | C – 5 | 4 | 71°E | 120 | |||
| 3 | ? – 2 | -15 | 78°E | 113 | |||
| 4 | G – 21 | -15 | 15°E | 176 | |||
| 5 | H – 6 | -19 | 20°W | 211 | |||
| 6 | J – 2 | -4 | 78°W | 269 | |||
| 7 | H – 12 | 15 | 57°W | 248 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.