Daily Sunspot Evaluation
Observation Sheet Tuesday, 16 October 2001
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)
- 11
- Number of spots (f)
- 118
- Relative number (R)
- 228
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20011016.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 9 | 6 | 55W | 66 | 58W | 6.5 | |
| 2 | DAC – 16 | 10 | 14W | 25 | 17W | ~8 | |
| 3 | EKC – 44 | 16 | 14E | 357 | 11E | 12.5 | |
| 4 | DAO – 8 | 26 | 57E | 314 | 54E | 8.5 | |
| 5 | EKC – 12 | -14 | 67E | 304 | 64E | ~12 | |
| 6 | HR – 1 | -20 | 65W | 76 | 68W | 0.5 | |
| 7 | AX – 5 | -18 | 23W | 34 | 26W | 1.5 | |
| 8 | DSI – 10 | -13 | 17W | 28 | 20W | ~5 | |
| 9 | CSI – 11 | -16 | 09W | 20 | 12W | 11.5 | |
| 10 | HA – 1 | -15 | 06E | 5 | 03E | 0.5 | |
| 11 | ? – 1 | -16 | 80E | 291 | 77E | ? |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.