Daily Sunspot Evaluation
Observation Sheet Wednesday, 3 October 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)
- 35
- Relative number (R)
- 85
- Observer
- FA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19731003.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 12 | 00 | 167 | 168 | ||
| 2 | B – 16 | -13 | 05W | 172 | 189 | ||
| 3 | B – 15 | -14 | 29W | 196 | 186 | ||
| 4 | ? – 1 | 14 | 81W | 258 ⚠ | 175 | ||
| 5 | J – 1 | 22 | 32W | 199 | 189 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.