Daily Sunspot Evaluation
Observation Sheet Sunday, 15 August 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)
- 3
- Number of spots (f)
- 32
- Relative number (R)
- 62
- Observer
- HE
- Reading
- all checks consistent
- File
- 19930815.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 14 | 19°W | 175 | 22°W | 1° | 202 |
| 2 | CAO – 29 | -2 | 17E | 139 | 14E | 7 | 206 |
| 3 | HS – 1 | -10 | 52E | 104 | 49E | 2 | 210 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.