Daily Sunspot Evaluation
Observation Sheet Sunday, 11 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)
- 7
- Number of spots (f)
- 30
- Relative number (R)
- 100
- Observer
- MS
- Reading
- all checks consistent
- File
- 20040711.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXI – 6 | 13 | 23W | 169 | 26W | 3.5 | 132 |
| 2 | CRO – 4 | 11 | 09W | 155 | 12W | 3 | 133 |
| 3 | HS – 1 | 11 | 66E | 80 | 63E | 2 | 131 |
| 4 | HR – 2 | -8 | 28W | 174 | 31W | -1 | 129 |
| 5 | CAI – 15 | -7 | 21E | 125 | 18E | 9.5 | 126 |
| 6 | AX – 1 | -15 | 71E | 75 | 68E | 134 | |
| 7 | AX – 1 | -8 | 81E | 65 | 78E | 135 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.