Daily Sunspot Evaluation
Observation Sheet Monday, 24 September 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)
- 5
- Number of spots (f)
- 26
- Relative number (R)
- 76
- Observer
- ED
- Reading
- all checks consistent
- File
- 19730924.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 20 | 86E | 200 | 189 | ||
| 2 | E – 17 | 14 | 33E | 253 | 195 | ||
| 3 | J – 3 | 5 | 26E | 260 | 176 | ||
| 4 | J – 4 | 5 | 03E | 283 | 179 | ||
| 5 | J – 1 | 15 | 42W | 328 | 190 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.