Daily Sunspot Evaluation
Observation Sheet Sunday, 4 July 1993
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)
- 12
- Number of spots (f)
- 74
- Relative number (R)
- 194
- Observer
- TA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19930704.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 5 | 11 | 25W | 27 ⚠ | 38W | 4.5 | 170 |
| 2 | BXO – 5 | 5 | 24W | 16 | 27W | 2.5 | 178 |
| 3 | AX – 1 | 21 | 74E | 278 | 71E | - | 176 |
| 4 | HA – 2 | -12 | 68W | 60 | 71W | 3 | 163 |
| 5 | AX – 3 | -17 | 40W | 32 | 43W | 1.5 | 179 |
| 6 | DAC – 45 | -11 | 38W | 30 | 41W | 9 | 164 |
| 7 | AX – 1 | -8 | 20W | 12 | 23W | - | 174 |
| 8 | AX – 2 | -17 | 18W | 10 | 21W | 0.5 | 173 |
| 9 | AX – 1 | -2 | 12W | 4 | 15W | - | 177 |
| 10 | AX – 1 | -8 | 10W | 2 | 13W | - | 172 |
| 11 | DAO – 7 | -10 | 49E | 303 | 46E | 8 | 169 |
| 12 | AX – 1 | -10 | 63E | 289 | 60E | 0.5 | 171 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.