Daily Sunspot Evaluation
Observation Sheet Saturday, 7 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)
- 4
- Number of spots (f)
- 25
- Relative number (R)
- 65
- Observer
- HE
- Reading
- all checks consistent
- File
- 19930807.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ESC – 19 | 12 | 21E | 241 | 18E | 15 | 198 |
| 2 | Z – 1 | 16 | 85E | 177 | 82E | - | 202 |
| 3 | HR – 1 | -16 | 18W | 280 | 21W | 0.5 | 201 |
| 4 | AX – 4 | -19 | 05E | 257 | 02E | 3 | 199 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.