Daily Sunspot Evaluation
Observation Sheet Thursday, 28 October 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)
- 9
- Number of spots (f)
- 70
- Relative number (R)
- 160
- Observer
- MS
- Reading
- all checks consistent
- File
- 20041028.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 35 | 12 | 28W | 175 | 31W | ~12 | 185 |
| 2 | HS – 1 | 12 | 07W | 154 | 10W | ~1.5 | 188 |
| 3 | DAO – 9 | 14 | 10E | 137 | 07E | ~5 | 190 |
| 4 | AX – 1 | 17 | 20E | 127 | 17E | - | 193 |
| 5 | DRI – 6 | 17 | 30E | 117 | 22E | 5.5 | 194 |
| 6 | HS – 1 | -4 | 75W | 222 | 78W | 2 | 185 |
| 7 | HA – 2 | -18 | 20W | 167 | 23W | 1.5 | 191 |
| 8 | HA – 5 | 0 | 09E | 138 | 06E | ~3 | 189 |
| 9 | EKO – 10 | -15 | 70E | 77 | 67E | 12 | 195 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.