Daily Sunspot Evaluation
Observation Sheet Monday, 4 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)
- 87
- Relative number (R)
- 127
- Observer
- TA
- Reading
- all checks consistent
- File
- 19931004.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 3 | 6 | 54W | 270 | 57W | 1 | 248 |
| 2 | FKI – 53 | 11 | 07W | 223 | 10W | 20 | 242 |
| 3 | HA – 3 | -18 | 53W | 269 | 56W | 2 | 247 |
| 4 | FKI – 28 | -15 | 37E | 179 | 34E | 12.5 | 244 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.