Daily Sunspot Evaluation
Observation Sheet Monday, 12 July 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)
- 5
- Number of spots (f)
- 29
- Relative number (R)
- 79
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20040712.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 7 | 13 | 37W | 170 | 40W | 5 | 432 |
| 2 | AX – 2 | 11 | 22W | 155 | 25W | 2 | 433 |
| 3 | HS – 3 | 11 | 53E | 80 | 50E | ~3 | 431 |
| 4 | CAI – 16 | -7 | 08E | 125 | 05E | ~8 | 426 |
| 5 | HR – 1 | -8 | 68E | 65 | 65E | 0.5 | 435 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.