Daily Sunspot Evaluation
Observation Sheet Saturday, 23 October 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)
- 32
- Relative number (R)
- 72
- Observer
- MB
- Reading
- all checks consistent
- File
- 19931023.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRG – 13 | 9 | 38W | 3 | 40W | 5 | 257 |
| 2 | DAI – 12 | -18 | 26W | 351 | 28W | 9.5 | 256 |
| 3 | CRO – 4 | -9 | 23W | 348 | 25W | 5 | 253 |
| 4 | AX – 3 | -16 | 07W | 332 | 09W | 1 | 255 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.