Daily Sunspot Evaluation
Observation Sheet Sunday, 1 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)
- 15
- Relative number (R)
- 55
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19930801.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 15 | 39W | 20 | 42W | 2 | 191 |
| 2 | BXO – 7 | 18 | 29W | 10 | 32W | 3 | 197 |
| 3 | DRO – 3 | 8 | 01E | 340 | 02W | 2 | 193 |
| 4 | AX – 4 | -12 | 48W | 29 | 51W | 1.5 | 192 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.