Daily Sunspot Evaluation
Observation Sheet Monday, 23 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)
- 12
- Relative number (R)
- 52
- Observer
- HE
- Reading
- all checks consistent
- File
- 19930823.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DSO – 3 | 9 | 41E | 10 | 38E | 9 | 216 |
| 2 | HS – 1 | -10 | 52W | 103 | 55W | 1.5 | 210 |
| 3 | HA – 7 | -9 | 06E | 45 | 03E | 3.5 | 215 |
| 4 | HR – 1 | -12 | 59E | 352 | 56E | 0.5 | 218 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.