Daily Sunspot Evaluation
Observation Sheet Saturday, 19 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)
- 7
- Number of spots (f)
- 58
- Relative number (R)
- 128
- Observer
- SB0
- Reading
- counts consistent, some coordinates doubtful
- File
- 20010519.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CSI – 16 | 14 | 38W | 232 | 41W | 216.5 | |
| 2 | DAI – 25 | 19 | 34E | 160 | 31E | 8 | |
| 3 | HS – 1 | 19 | 57E | 137 | 54E | 2.5 | |
| 4 | DAI – 9 | 7 | 67E | 127 | 64E | 9 | |
| 5 | ? – 5 | -18 | 83W | 272 ⚠ | 86W | 6 | |
| 6 | HS – 1 | -33 | 62E | 132 | 59E | 1 | |
| 7 | HS – 1 | -10 | 72E | 122 | 69E | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.