Daily Sunspot Evaluation
Observation Sheet Saturday, 15 May 2004
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)
- 61
- Relative number (R)
- 101
- Observer
- MS
- Reading
- all checks consistent
- File
- 20040515.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 18 | 10 | 12W | 192 | 14W | 6 | 85 |
| 2 | HA – 2 | -9 | 18W | 198 | 20W | ~3 | 80 |
| 3 | DKC – 40 | -3 | 04E | 176 | 02E | ~9 | 83 |
| 4 | HS – 1 | -8 | 61E | 119 | 59E | 2 | 86 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.