Daily Sunspot Evaluation
Observation Sheet Saturday, 26 April 2003
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)
- 56
- Relative number (R)
- 146
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20030426.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FAC – 18 | 19 | 61W | 283 | 63W | 17.5 | 92 |
| 2 | HR – 1 | 12 | 05W | 227 | 07W | ~0.5 | 100 |
| 3 | DKC – 16 | 15 | 21E | 201 | 19E | 8 | 102 |
| 4 | DSO – 2 | 15 | 59E | 163 | 57E | 4 | 105 |
| 5 | HK – 9 | -14 | 18W | 240 | 20W | 4 | 94 |
| 6 | HR – 2 | -7 | 08E | 214 | 06E | ~1 | 101 |
| 7 | HR – 2 | -19 | 46E | 176 | 44E | ~1 | 103 |
| 8 | DAO – 4 | -18 | 57E | 165 | 55E | 6 | 104 |
| 9 | HR – 2 | -14 | 66E | 156 | 64E | 1 | 106 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.