Daily Sunspot Evaluation
Observation Sheet Tuesday, 23 August 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)
- 5
- Number of spots (f)
- 28
- Relative number (R)
- 78
- Observer
- DK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19660823.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 43 | 46E | 211 ⚠ | |||
| 2 | J – 1 | 35 | 73E | 184 ⚠ | |||
| 3 | D – 14 | 24 | 62E | 135 | |||
| 4 | ? – 6 | 22 | 74E | 122 | |||
| 5 | A – 4 | 6 | 12E | 145 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.