Daily Sunspot Evaluation
Observation Sheet Wednesday, 29 August 1973
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)
- 4
- Number of spots (f)
- 27
- Relative number (R)
- 67
- Observer
- DK
- Reading
- all checks consistent
- File
- 19730829.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 15 | 10°E | 253 | 153 | ||
| 2 | A – 1 | 13 | 22°E | 247 | 156 | ||
| 3 | ? – 7 | -15 | 80°E | 189 | 157 | ||
| 4 | D – 18 | 3 | 00° | 269 | 155 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.