Daily Sunspot Evaluation
Observation Sheet Wednesday, 7 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)
- 5
- Number of spots (f)
- 25
- Relative number (R)
- 75
- Observer
- HE
- Reading
- all checks consistent
- File
- 19930707.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 5 | 4 | 65W | 17 | 68W | 6 | 178 |
| 2 | HR – 1 | 24 | 38E | 277 | 32E | 0.5 | 181 |
| 3 | HS – 2 | 6 | 54E | 258 | 51E | 3.5 | 180 |
| 4 | ? – 5 | -12 | 78W | 30 | 86W | 5 | 164 |
| 5 | DRO – 12 | -10 | 10E | 302 | 07E | 10 | 169 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.