Daily Sunspot Evaluation
Observation Sheet Wednesday, 16 May 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)
- 6
- Number of spots (f)
- 63
- Relative number (R)
- 123
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20010516.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DSG – 8 | 6 | 50W | 283 | 52W | 19 | |
| 2 | EAC – 18 | 12 | 01E | 232 | 01W | 12.5 | |
| 3 | DSO – 4 | 16 | 74E | 159 | 72E | 15 | |
| 4 | HH – 1 | -21 | 71W | 304 | 73W | 3 | |
| 5 | CSO – 6 | -12 | 63W | 296 | 65W | 6.5 | |
| 6 | FAC – 26 | -17 | 43W | 276 | 45W | 16 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.