Daily Sunspot Evaluation
Observation Sheet Thursday, 29 September 1966
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)
- 3
- Number of spots (f)
- 35
- Relative number (R)
- 65
- Observer
- DK
- Reading
- all checks consistent
- File
- 19660929.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 21 | 60E | 69 | |||
| 2 | B – 6 | -17 | 11W | 140 | |||
| 3 | C – 26 | 24 | 27W | 157 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.