Daily Sunspot Evaluation
Observation Sheet Saturday, 10 October 1998
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)
- 3
- Number of spots (f)
- 57
- Relative number (R)
- 87
- Observer
- MB
- Reading
- all checks consistent
- File
- 19981010.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FSO – 32 | 21 | 26W | 181 | 28W | 17 | 235-236 |
| 2 | DAC – 23 | -21 | 34E | 121 | 32E | 7.5 | 237-238 |
| 3 | CRO – 2 | -35 | 58E | 97 | 56E | 6 | 239-240 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.