Daily Sunspot Evaluation
Observation Sheet Friday, 15 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)
- 15
- Relative number (R)
- 55
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19931015.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 5 | 5 | 03E | 67 | 01E | 4.5 | 254 |
| 2 | CRO – 2 | 13 | 27E | 43 | 25E | 2 | 251 |
| 3 | ESO – 7 | -20 | 10W | 80 | 12W | 12 | 250 |
| 4 | ? – 1 | -9 | 85E | 345 | 83E | - | 253 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.