Daily Sunspot Evaluation
Observation Sheet Tuesday, 2 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)
- 8
- Number of spots (f)
- 27
- Relative number (R)
- 107
- Observer
- HM
- Reading
- all checks consistent
- File
- 19731002.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 12 | 13E | 167 | 182 | ||
| 2 | J – 6 | -13 | 08E | 172 | 189 | ||
| 3 | A – 2 | -9 | 02E | 178 | 192 | ||
| 4 | A – 1 | -17 | 12W | 192 | 193 | ||
| 5 | D – 11 | -14 | 15W | 195 | 186 | ||
| 6 | J – 1 | 6 | 82W | 262 | 176 | ||
| 7 | G – 3 | 14 | 74W | 254 | 175 | ||
| 8 | J – 2 | 22 | 18W | 198 | 184 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.